| 1 | <?php
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| 2 | /**
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| 3 | * Manages WordPress comments
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| 4 | *
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| 5 | * @package WordPress
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| 6 | * @subpackage Comment
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| 7 | */
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| 8 |
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| 9 | /**
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| 10 | * Checks whether a comment passes internal checks to be allowed to add.
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| 11 | *
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| 12 | * If comment moderation is set in the administration, then all comments,
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| 13 | * regardless of their type and whitelist will be set to false. If the number of
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| 14 | * links exceeds the amount in the administration, then the check fails. If any
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| 15 | * of the parameter contents match the blacklist of words, then the check fails.
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| 16 | *
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| 17 | * If the number of links exceeds the amount in the administration, then the
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| 18 | * check fails. If any of the parameter contents match the blacklist of words,
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| 19 | * then the check fails.
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| 20 | *
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| 21 | * If the comment is a trackback and part of the blogroll, then the trackback is
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| 22 | * automatically whitelisted. If the comment author was approved before, then
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| 23 | * the comment is automatically whitelisted.
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| 24 | *
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| 25 | * If none of the checks fail, then the failback is to set the check to pass
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| 26 | * (return true).
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| 27 | *
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| 28 | * @since 1.2.0
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| 29 | * @uses $wpdb
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| 30 | *
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| 31 | * @param string $author Comment Author's name
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| 32 | * @param string $email Comment Author's email
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| 33 | * @param string $url Comment Author's URL
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| 34 | * @param string $comment Comment contents
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| 35 | * @param string $user_ip Comment Author's IP address
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| 36 | * @param string $user_agent Comment Author's User Agent
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| 37 | * @param string $comment_type Comment type, either user submitted comment,
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| 38 | * trackback, or pingback
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| 39 | * @return bool Whether the checks passed (true) and the comments should be
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| 40 | * displayed or set to moderated
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| 41 | */
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| 42 | function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) {
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| 43 | global $wpdb;
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| 44 |
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| 45 | if ( 1 == get_option('comment_moderation') )
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| 46 | return false; // If moderation is set to manual
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| 47 |
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| 48 | if ( get_option('comment_max_links') && preg_match_all("/<[Aa][^>]*[Hh][Rr][Ee][Ff]=['\"]([^\"'>]+)[^>]*>/", apply_filters('comment_text',$comment), $out) >= get_option('comment_max_links') )
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| 49 | return false; // Check # of external links
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| 50 |
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| 51 | $mod_keys = trim(get_option('moderation_keys'));
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| 52 | if ( !empty($mod_keys) ) {
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| 53 | $words = explode("\n", $mod_keys );
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| 54 |
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| 55 | foreach ( (array) $words as $word) {
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| 56 | $word = trim($word);
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| 57 |
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| 58 | // Skip empty lines
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| 59 | if ( empty($word) )
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| 60 | continue;
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| 61 |
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| 62 | // Do some escaping magic so that '#' chars in the
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| 63 | // spam words don't break things:
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| 64 | $word = preg_quote($word, '#');
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| 65 |
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| 66 | $pattern = "#$word#i";
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| 67 | if ( preg_match($pattern, $author) ) return false;
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| 68 | if ( preg_match($pattern, $email) ) return false;
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| 69 | if ( preg_match($pattern, $url) ) return false;
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| 70 | if ( preg_match($pattern, $comment) ) return false;
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| 71 | if ( preg_match($pattern, $user_ip) ) return false;
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| 72 | if ( preg_match($pattern, $user_agent) ) return false;
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| 73 | }
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| 74 | }
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| 75 |
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| 76 | // Comment whitelisting:
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| 77 | if ( 1 == get_option('comment_whitelist')) {
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| 78 | if ( 'trackback' == $comment_type || 'pingback' == $comment_type ) { // check if domain is in blogroll
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| 79 | $uri = parse_url($url);
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| 80 | $domain = $uri['host'];
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| 81 | $uri = parse_url( get_option('home') );
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| 82 | $home_domain = $uri['host'];
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| 83 | if ( $wpdb->get_var($wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_url LIKE (%s) LIMIT 1", '%'.$domain.'%')) || $domain == $home_domain )
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| 84 | return true;
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| 85 | else
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| 86 | return false;
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| 87 | } elseif ( $author != '' && $email != '' ) {
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| 88 | // expected_slashed ($author, $email)
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| 89 | $ok_to_comment = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_author = '$author' AND comment_author_email = '$email' and comment_approved = '1' LIMIT 1");
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| 90 | if ( ( 1 == $ok_to_comment ) &&
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| 91 | ( empty($mod_keys) || false === strpos( $email, $mod_keys) ) )
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| 92 | return true;
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| 93 | else
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| 94 | return false;
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| 95 | } else {
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| 96 | return false;
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| 97 | }
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| 98 | }
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| 99 | return true;
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| 100 | }
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| 101 |
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| 102 | /**
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| 103 | * Retrieve the approved comments for post $post_id.
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| 104 | *
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| 105 | * @since 2.0.0
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| 106 | * @uses $wpdb
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| 107 | *
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| 108 | * @param int $post_id The ID of the post
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| 109 | * @return array $comments The approved comments
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| 110 | */
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| 111 | function get_approved_comments($post_id) {
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| 112 | global $wpdb;
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| 113 | return $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1' ORDER BY comment_date", $post_id));
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| 114 | }
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| 115 |
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| 116 | /**
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| 117 | * Retrieves comment data given a comment ID or comment object.
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| 118 | *
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| 119 | * If an object is passed then the comment data will be cached and then returned
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| 120 | * after being passed through a filter. If the comment is empty, then the global
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| 121 | * comment variable will be used, if it is set.
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| 122 | *
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| 123 | * If the comment is empty, then the global comment variable will be used, if it
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| 124 | * is set.
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| 125 | *
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| 126 | * @since 2.0.0
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| 127 | * @uses $wpdb
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| 128 | *
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| 129 | * @param object|string|int $comment Comment to retrieve.
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| 130 | * @param string $output Optional. OBJECT or ARRAY_A or ARRAY_N constants.
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| 131 | * @return object|array|null Depends on $output value.
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| 132 | */
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| 133 | function &get_comment(&$comment, $output = OBJECT) {
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| 134 | global $wpdb;
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| 135 |
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| 136 | if ( empty($comment) ) {
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| 137 | if ( isset($GLOBALS['comment']) )
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| 138 | $_comment = & $GLOBALS['comment'];
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| 139 | else
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| 140 | $_comment = null;
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| 141 | } elseif ( is_object($comment) ) {
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| 142 | wp_cache_add($comment->comment_ID, $comment, 'comment');
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| 143 | $_comment = $comment;
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| 144 | } else {
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| 145 | if ( isset($GLOBALS['comment']) && ($GLOBALS['comment']->comment_ID == $comment) ) {
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| 146 | $_comment = & $GLOBALS['comment'];
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| 147 | } elseif ( ! $_comment = wp_cache_get($comment, 'comment') ) {
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| 148 | $_comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment));
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| 149 | wp_cache_add($_comment->comment_ID, $_comment, 'comment');
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| 150 | }
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| 151 | }
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| 152 |
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| 153 | $_comment = apply_filters('get_comment', $_comment);
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| 154 |
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| 155 | if ( $output == OBJECT ) {
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| 156 | return $_comment;
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| 157 | } elseif ( $output == ARRAY_A ) {
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| 158 | $__comment = get_object_vars($_comment);
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| 159 | return $__comment;
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| 160 | } elseif ( $output == ARRAY_N ) {
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| 161 | $__comment = array_values(get_object_vars($_comment));
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| 162 | return $__comment;
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| 163 | } else {
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| 164 | return $_comment;
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| 165 | }
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| 166 | }
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| 167 |
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| 168 | /**
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| 169 | * Retrieve a list of comments.
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| 170 | *
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| 171 | * The comment list can be for the blog as a whole or for an individual post.
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| 172 | *
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| 173 | * The list of comment arguments are 'status', 'orderby', 'comment_date_gmt',
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| 174 | * 'order', 'number', 'offset', and 'post_id'.
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| 175 | *
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| 176 | * @since 2.7.0
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| 177 | * @uses $wpdb
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| 178 | *
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| 179 | * @param mixed $args Optional. Array or string of options to override defaults.
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| 180 | * @return array List of comments.
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| 181 | */
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| 182 | function get_comments( $args = '' ) {
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| 183 | global $wpdb;
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| 184 |
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| 185 | $defaults = array('status' => '', 'orderby' => 'comment_date_gmt', 'order' => 'DESC', 'number' => '', 'offset' => '', 'post_id' => 0);
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| 186 |
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| 187 | $args = wp_parse_args( $args, $defaults );
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| 188 | extract( $args, EXTR_SKIP );
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| 189 |
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| 190 | // $args can be whatever, only use the args defined in defaults to compute the key
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| 191 | $key = md5( serialize( compact(array_keys($defaults)) ) );
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| 192 | $last_changed = wp_cache_get('last_changed', 'comment');
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| 193 | if ( !$last_changed ) {
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| 194 | $last_changed = time();
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| 195 | wp_cache_set('last_changed', $last_changed, 'comment');
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| 196 | }
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| 197 | $cache_key = "get_comments:$key:$last_changed";
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| 198 |
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| 199 | if ( $cache = wp_cache_get( $cache_key, 'comment' ) ) {
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| 200 | return $cache;
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| 201 | }
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| 202 |
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| 203 | $post_id = absint($post_id);
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| 204 |
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| 205 | if ( 'hold' == $status )
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| 206 | $approved = "comment_approved = '0'";
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| 207 | elseif ( 'approve' == $status )
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| 208 | $approved = "comment_approved = '1'";
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| 209 | elseif ( 'spam' == $status )
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| 210 | $approved = "comment_approved = 'spam'";
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| 211 | else
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| 212 | $approved = "( comment_approved = '0' OR comment_approved = '1' )";
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| 213 |
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| 214 | $order = ( 'ASC' == $order ) ? 'ASC' : 'DESC';
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| 215 |
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| 216 | $orderby = 'comment_date_gmt'; // Hard code for now
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| 217 |
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| 218 | $number = absint($number);
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| 219 | $offset = absint($offset);
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| 220 |
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| 221 | if ( !empty($number) ) {
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| 222 | if ( $offset )
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| 223 | $number = 'LIMIT ' . $offset . ',' . $number;
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| 224 | else
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| 225 | $number = 'LIMIT ' . $number;
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| 226 |
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| 227 | } else {
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| 228 | $number = '';
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| 229 | }
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| 230 |
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| 231 | if ( ! empty($post_id) )
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| 232 | $post_where = $wpdb->prepare( 'comment_post_ID = %d AND', $post_id );
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| 233 | else
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| 234 | $post_where = '';
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| 235 |
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| 236 | $comments = $wpdb->get_results( "SELECT * FROM $wpdb->comments WHERE $post_where $approved ORDER BY $orderby $order $number" );
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| 237 | wp_cache_add( $cache_key, $comments, 'comment' );
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| 238 |
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| 239 | return $comments;
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| 240 | }
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| 241 |
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| 242 | /**
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| 243 | * Retrieve all of the WordPress supported comment statuses.
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| 244 | *
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| 245 | * Comments have a limited set of valid status values, this provides the comment
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| 246 | * status values and descriptions.
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| 247 | *
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| 248 | * @package WordPress
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| 249 | * @subpackage Post
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| 250 | * @since 2.7.0
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| 251 | *
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| 252 | * @return array List of comment statuses.
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| 253 | */
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| 254 | function get_comment_statuses( ) {
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| 255 | $status = array(
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| 256 | 'hold' => __('Unapproved'),
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| 257 | /* translators: comment status */
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| 258 | 'approve' => _x('Approved', 'adjective'),
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| 259 | /* translators: comment status */
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| 260 | 'spam' => _x('Spam', 'adjective'),
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| 261 | );
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| 262 |
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| 263 | return $status;
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| 264 | }
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| 265 |
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| 266 |
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| 267 | /**
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| 268 | * The date the last comment was modified.
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| 269 | *
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| 270 | * @since 1.5.0
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| 271 | * @uses $wpdb
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| 272 | * @global array $cache_lastcommentmodified
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| 273 | *
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| 274 | * @param string $timezone Which timezone to use in reference to 'gmt', 'blog',
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| 275 | * or 'server' locations.
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| 276 | * @return string Last comment modified date.
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| 277 | */
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| 278 | function get_lastcommentmodified($timezone = 'server') {
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| 279 | global $cache_lastcommentmodified, $wpdb;
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| 280 |
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| 281 | if ( isset($cache_lastcommentmodified[$timezone]) )
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| 282 | return $cache_lastcommentmodified[$timezone];
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| 283 |
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| 284 | $add_seconds_server = date('Z');
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| 285 |
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| 286 | switch ( strtolower($timezone)) {
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| 287 | case 'gmt':
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| 288 | $lastcommentmodified = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");
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| 289 | break;
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| 290 | case 'blog':
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| 291 | $lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");
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| 292 | break;
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| 293 | case 'server':
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| 294 | $lastcommentmodified = $wpdb->get_var($wpdb->prepare("SELECT DATE_ADD(comment_date_gmt, INTERVAL %s SECOND) FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1", $add_seconds_server));
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| 295 | break;
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| 296 | }
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| 297 |
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| 298 | $cache_lastcommentmodified[$timezone] = $lastcommentmodified;
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| 299 |
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| 300 | return $lastcommentmodified;
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| 301 | }
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| 302 |
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| 303 | /**
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| 304 | * The amount of comments in a post or total comments.
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| 305 | *
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| 306 | * A lot like {@link wp_count_comments()}, in that they both return comment
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| 307 | * stats (albeit with different types). The {@link wp_count_comments()} actual
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| 308 | * caches, but this function does not.
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| 309 | *
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| 310 | * @since 2.0.0
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| 311 | * @uses $wpdb
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| 312 | *
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| 313 | * @param int $post_id Optional. Comment amount in post if > 0, else total comments blog wide.
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| 314 | * @return array The amount of spam, approved, awaiting moderation, and total comments.
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| 315 | */
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| 316 | function get_comment_count( $post_id = 0 ) {
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| 317 | global $wpdb;
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| 318 |
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| 319 | $post_id = (int) $post_id;
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| 320 |
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| 321 | $where = '';
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| 322 | if ( $post_id > 0 ) {
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| 323 | $where = $wpdb->prepare("WHERE comment_post_ID = %d", $post_id);
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| 324 | }
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| 325 |
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| 326 | $totals = (array) $wpdb->get_results("
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| 327 | SELECT comment_approved, COUNT( * ) AS total
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| 328 | FROM {$wpdb->comments}
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| 329 | {$where}
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| 330 | GROUP BY comment_approved
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| 331 | ", ARRAY_A);
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| 332 |
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| 333 | $comment_count = array(
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| 334 | "approved" => 0,
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| 335 | "awaiting_moderation" => 0,
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| 336 | "spam" => 0,
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| 337 | "total_comments" => 0
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| 338 | );
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| 339 |
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| 340 | foreach ( $totals as $row ) {
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| 341 | switch ( $row['comment_approved'] ) {
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| 342 | case 'spam':
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| 343 | $comment_count['spam'] = $row['total'];
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| 344 | $comment_count["total_comments"] += $row['total'];
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| 345 | break;
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| 346 | case 1:
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| 347 | $comment_count['approved'] = $row['total'];
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| 348 | $comment_count['total_comments'] += $row['total'];
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| 349 | break;
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| 350 | case 0:
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| 351 | $comment_count['awaiting_moderation'] = $row['total'];
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| 352 | $comment_count['total_comments'] += $row['total'];
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| 353 | break;
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| 354 | default:
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| 355 | break;
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| 356 | }
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| 357 | }
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| 358 |
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| 359 | return $comment_count;
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| 360 | }
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| 361 |
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| 362 | /**
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| 363 | * Sanitizes the cookies sent to the user already.
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| 364 | *
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| 365 | * Will only do anything if the cookies have already been created for the user.
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| 366 | * Mostly used after cookies had been sent to use elsewhere.
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| 367 | *
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| 368 | * @since 2.0.4
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| 369 | */
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| 370 | function sanitize_comment_cookies() {
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| 371 | if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) ) {
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| 372 | $comment_author = apply_filters('pre_comment_author_name', $_COOKIE['comment_author_'.COOKIEHASH]);
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| 373 | $comment_author = stripslashes($comment_author);
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| 374 | $comment_author = esc_attr($comment_author);
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| 375 | $_COOKIE['comment_author_'.COOKIEHASH] = $comment_author;
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| 376 | }
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| 377 |
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| 378 | if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) ) {
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| 379 | $comment_author_email = apply_filters('pre_comment_author_email', $_COOKIE['comment_author_email_'.COOKIEHASH]);
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| 380 | $comment_author_email = stripslashes($comment_author_email);
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| 381 | $comment_author_email = esc_attr($comment_author_email);
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| 382 | $_COOKIE['comment_author_email_'.COOKIEHASH] = $comment_author_email;
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| 383 | }
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| 384 |
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| 385 | if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) ) {
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| 386 | $comment_author_url = apply_filters('pre_comment_author_url', $_COOKIE['comment_author_url_'.COOKIEHASH]);
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| 387 | $comment_author_url = stripslashes($comment_author_url);
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| 388 | $_COOKIE['comment_author_url_'.COOKIEHASH] = $comment_author_url;
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| 389 | }
|
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| 390 | }
|
|---|
| 391 |
|
|---|
| 392 | /**
|
|---|
| 393 | * Validates whether this comment is allowed to be made or not.
|
|---|
| 394 | *
|
|---|
| 395 | * @since 2.0.0
|
|---|
| 396 | * @uses $wpdb
|
|---|
| 397 | * @uses apply_filters() Calls 'pre_comment_approved' hook on the type of comment
|
|---|
| 398 | * @uses do_action() Calls 'check_comment_flood' hook on $comment_author_IP, $comment_author_email, and $comment_date_gmt
|
|---|
| 399 | *
|
|---|
| 400 | * @param array $commentdata Contains information on the comment
|
|---|
| 401 | * @return mixed Signifies the approval status (0|1|'spam')
|
|---|
| 402 | */
|
|---|
| 403 | function wp_allow_comment($commentdata) {
|
|---|
| 404 | global $wpdb;
|
|---|
| 405 | extract($commentdata, EXTR_SKIP);
|
|---|
| 406 |
|
|---|
| 407 | // Simple duplicate check
|
|---|
| 408 | // expected_slashed ($comment_post_ID, $comment_author, $comment_author_email, $comment_content)
|
|---|
| 409 | $dupe = "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND ( comment_author = '$comment_author' ";
|
|---|
| 410 | if ( $comment_author_email )
|
|---|
| 411 | $dupe .= "OR comment_author_email = '$comment_author_email' ";
|
|---|
| 412 | $dupe .= ") AND comment_content = '$comment_content' LIMIT 1";
|
|---|
| 413 | if ( $wpdb->get_var($dupe) ) {
|
|---|
| 414 | if ( defined('DOING_AJAX') )
|
|---|
| 415 | die( __('Duplicate comment detected; it looks as though you’ve already said that!') );
|
|---|
| 416 |
|
|---|
| 417 | wp_die( __('Duplicate comment detected; it looks as though you’ve already said that!') );
|
|---|
| 418 | }
|
|---|
| 419 |
|
|---|
| 420 | do_action( 'check_comment_flood', $comment_author_IP, $comment_author_email, $comment_date_gmt );
|
|---|
| 421 |
|
|---|
| 422 | if ( $user_id ) {
|
|---|
| 423 | $userdata = get_userdata($user_id);
|
|---|
| 424 | $user = new WP_User($user_id);
|
|---|
| 425 | $post_author = $wpdb->get_var($wpdb->prepare("SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1", $comment_post_ID));
|
|---|
| 426 | }
|
|---|
| 427 |
|
|---|
| 428 | if ( isset($userdata) && ( $user_id == $post_author || $user->has_cap('moderate_comments') ) ) {
|
|---|
| 429 | // The author and the admins get respect.
|
|---|
| 430 | $approved = 1;
|
|---|
| 431 | } else {
|
|---|
| 432 | // Everyone else's comments will be checked.
|
|---|
| 433 | if ( check_comment($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent, $comment_type) )
|
|---|
| 434 | $approved = 1;
|
|---|
| 435 | else
|
|---|
| 436 | $approved = 0;
|
|---|
| 437 | if ( wp_blacklist_check($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent) )
|
|---|
| 438 | $approved = 'spam';
|
|---|
| 439 | }
|
|---|
| 440 |
|
|---|
| 441 | $approved = apply_filters('pre_comment_approved', $approved);
|
|---|
| 442 | return $approved;
|
|---|
| 443 | }
|
|---|
| 444 |
|
|---|
| 445 | /**
|
|---|
| 446 | * Check whether comment flooding is occurring.
|
|---|
| 447 | *
|
|---|
| 448 | * Won't run, if current user can manage options, so to not block
|
|---|
| 449 | * administrators.
|
|---|
| 450 | *
|
|---|
| 451 | * @since 2.3.0
|
|---|
| 452 | * @uses $wpdb
|
|---|
| 453 | * @uses apply_filters() Calls 'comment_flood_filter' filter with first
|
|---|
| 454 | * parameter false, last comment timestamp, new comment timestamp.
|
|---|
| 455 | * @uses do_action() Calls 'comment_flood_trigger' action with parameters with
|
|---|
| 456 | * last comment timestamp and new comment timestamp.
|
|---|
| 457 | *
|
|---|
| 458 | * @param string $ip Comment IP.
|
|---|
| 459 | * @param string $email Comment author email address.
|
|---|
| 460 | * @param string $date MySQL time string.
|
|---|
| 461 | */
|
|---|
| 462 | function check_comment_flood_db( $ip, $email, $date ) {
|
|---|
| 463 | global $wpdb;
|
|---|
| 464 | if ( current_user_can( 'manage_options' ) )
|
|---|
| 465 | return; // don't throttle admins
|
|---|
| 466 | if ( $lasttime = $wpdb->get_var( $wpdb->prepare("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_author_IP = %s OR comment_author_email = %s ORDER BY comment_date DESC LIMIT 1", $ip, $email) ) ) {
|
|---|
| 467 | $time_lastcomment = mysql2date('U', $lasttime, false);
|
|---|
| 468 | $time_newcomment = mysql2date('U', $date, false);
|
|---|
| 469 | $flood_die = apply_filters('comment_flood_filter', false, $time_lastcomment, $time_newcomment);
|
|---|
| 470 | if ( $flood_die ) {
|
|---|
| 471 | do_action('comment_flood_trigger', $time_lastcomment, $time_newcomment);
|
|---|
| 472 |
|
|---|
| 473 | if ( defined('DOING_AJAX') )
|
|---|
| 474 | die( __('You are posting comments too quickly. Slow down.') );
|
|---|
| 475 |
|
|---|
| 476 | wp_die( __('You are posting comments too quickly. Slow down.'), '', array('response' => 403) );
|
|---|
| 477 | }
|
|---|
| 478 | }
|
|---|
| 479 | }
|
|---|
| 480 |
|
|---|
| 481 | /**
|
|---|
| 482 | * Separates an array of comments into an array keyed by comment_type.
|
|---|
| 483 | *
|
|---|
| 484 | * @since 2.7.0
|
|---|
| 485 | *
|
|---|
| 486 | * @param array $comments Array of comments
|
|---|
| 487 | * @return array Array of comments keyed by comment_type.
|
|---|
| 488 | */
|
|---|
| 489 | function &separate_comments(&$comments) {
|
|---|
| 490 | $comments_by_type = array('comment' => array(), 'trackback' => array(), 'pingback' => array(), 'pings' => array());
|
|---|
| 491 | $count = count($comments);
|
|---|
| 492 | for ( $i = 0; $i < $count; $i++ ) {
|
|---|
| 493 | $type = $comments[$i]->comment_type;
|
|---|
| 494 | if ( empty($type) )
|
|---|
| 495 | $type = 'comment';
|
|---|
| 496 | $comments_by_type[$type][] = &$comments[$i];
|
|---|
| 497 | if ( 'trackback' == $type || 'pingback' == $type )
|
|---|
| 498 | $comments_by_type['pings'][] = &$comments[$i];
|
|---|
| 499 | }
|
|---|
| 500 |
|
|---|
| 501 | return $comments_by_type;
|
|---|
| 502 | }
|
|---|
| 503 |
|
|---|
| 504 | /**
|
|---|
| 505 | * Calculate the total number of comment pages.
|
|---|
| 506 | *
|
|---|
| 507 | * @since 2.7.0
|
|---|
| 508 | * @uses get_query_var() Used to fill in the default for $per_page parameter.
|
|---|
| 509 | * @uses get_option() Used to fill in defaults for parameters.
|
|---|
| 510 | * @uses Walker_Comment
|
|---|
| 511 | *
|
|---|
| 512 | * @param array $comments Optional array of comment objects. Defaults to $wp_query->comments
|
|---|
| 513 | * @param int $per_page Optional comments per page.
|
|---|
| 514 | * @param boolean $threaded Optional control over flat or threaded comments.
|
|---|
| 515 | * @return int Number of comment pages.
|
|---|
| 516 | */
|
|---|
| 517 | function get_comment_pages_count( $comments = null, $per_page = null, $threaded = null ) {
|
|---|
| 518 | global $wp_query;
|
|---|
| 519 |
|
|---|
| 520 | if ( null === $comments && null === $per_page && null === $threaded && !empty($wp_query->max_num_comment_pages) )
|
|---|
| 521 | return $wp_query->max_num_comment_pages;
|
|---|
| 522 |
|
|---|
| 523 | if ( !$comments || !is_array($comments) )
|
|---|
| 524 | $comments = $wp_query->comments;
|
|---|
| 525 |
|
|---|
| 526 | if ( empty($comments) )
|
|---|
| 527 | return 0;
|
|---|
| 528 |
|
|---|
| 529 | if ( !isset($per_page) )
|
|---|
| 530 | $per_page = (int) get_query_var('comments_per_page');
|
|---|
| 531 | if ( 0 === $per_page )
|
|---|
| 532 | $per_page = (int) get_option('comments_per_page');
|
|---|
| 533 | if ( 0 === $per_page )
|
|---|
| 534 | return 1;
|
|---|
| 535 |
|
|---|
| 536 | if ( !isset($threaded) )
|
|---|
| 537 | $threaded = get_option('thread_comments');
|
|---|
| 538 |
|
|---|
| 539 | if ( $threaded ) {
|
|---|
| 540 | $walker = new Walker_Comment;
|
|---|
| 541 | $count = ceil( $walker->get_number_of_root_elements( $comments ) / $per_page );
|
|---|
| 542 | } else {
|
|---|
| 543 | $count = ceil( count( $comments ) / $per_page );
|
|---|
| 544 | }
|
|---|
| 545 |
|
|---|
| 546 | return $count;
|
|---|
| 547 | }
|
|---|
| 548 |
|
|---|
| 549 | /**
|
|---|
| 550 | * Calculate what page number a comment will appear on for comment paging.
|
|---|
| 551 | *
|
|---|
| 552 | * @since 2.7.0
|
|---|
| 553 | * @uses get_comment() Gets the full comment of the $comment_ID parameter.
|
|---|
| 554 | * @uses get_option() Get various settings to control function and defaults.
|
|---|
| 555 | * @uses get_page_of_comment() Used to loop up to top level comment.
|
|---|
| 556 | *
|
|---|
| 557 | * @param int $comment_ID Comment ID.
|
|---|
| 558 | * @param array $args Optional args.
|
|---|
| 559 | * @return int|null Comment page number or null on error.
|
|---|
| 560 | */
|
|---|
| 561 | function get_page_of_comment( $comment_ID, $args = array() ) {
|
|---|
| 562 | global $wpdb;
|
|---|
| 563 |
|
|---|
| 564 | if ( !$comment = get_comment( $comment_ID ) )
|
|---|
| 565 | return;
|
|---|
| 566 |
|
|---|
| 567 | $defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' );
|
|---|
| 568 | $args = wp_parse_args( $args, $defaults );
|
|---|
| 569 |
|
|---|
| 570 | if ( '' === $args['per_page'] && get_option('page_comments') )
|
|---|
| 571 | $args['per_page'] = get_query_var('comments_per_page');
|
|---|
| 572 | if ( empty($args['per_page']) ) {
|
|---|
| 573 | $args['per_page'] = 0;
|
|---|
| 574 | $args['page'] = 0;
|
|---|
| 575 | }
|
|---|
| 576 | if ( $args['per_page'] < 1 )
|
|---|
| 577 | return 1;
|
|---|
| 578 |
|
|---|
| 579 | if ( '' === $args['max_depth'] ) {
|
|---|
| 580 | if ( get_option('thread_comments') )
|
|---|
| 581 | $args['max_depth'] = get_option('thread_comments_depth');
|
|---|
| 582 | else
|
|---|
| 583 | $args['max_depth'] = -1;
|
|---|
| 584 | }
|
|---|
| 585 |
|
|---|
| 586 | // Find this comment's top level parent if threading is enabled
|
|---|
| 587 | if ( $args['max_depth'] > 1 && 0 != $comment->comment_parent )
|
|---|
| 588 | return get_page_of_comment( $comment->comment_parent, $args );
|
|---|
| 589 |
|
|---|
| 590 | $allowedtypes = array(
|
|---|
| 591 | 'comment' => '',
|
|---|
| 592 | 'pingback' => 'pingback',
|
|---|
| 593 | 'trackback' => 'trackback',
|
|---|
| 594 | );
|
|---|
| 595 |
|
|---|
| 596 | $comtypewhere = ( 'all' != $args['type'] && isset($allowedtypes[$args['type']]) ) ? " AND comment_type = '" . $allowedtypes[$args['type']] . "'" : '';
|
|---|
| 597 |
|
|---|
| 598 | // Count comments older than this one
|
|---|
| 599 | $oldercoms = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = 0 AND comment_approved = '1' AND comment_date_gmt < '%s'" . $comtypewhere, $comment->comment_post_ID, $comment->comment_date_gmt ) );
|
|---|
| 600 |
|
|---|
| 601 | // No older comments? Then it's page #1.
|
|---|
| 602 | if ( 0 == $oldercoms )
|
|---|
| 603 | return 1;
|
|---|
| 604 |
|
|---|
| 605 | // Divide comments older than this one by comments per page to get this comment's page number
|
|---|
| 606 | return ceil( ( $oldercoms + 1 ) / $args['per_page'] );
|
|---|
| 607 | }
|
|---|
| 608 |
|
|---|
| 609 | /**
|
|---|
| 610 | * Does comment contain blacklisted characters or words.
|
|---|
| 611 | *
|
|---|
| 612 | * @since 1.5.0
|
|---|
| 613 | * @uses do_action() Calls 'wp_blacklist_check' hook for all parameters.
|
|---|
| 614 | *
|
|---|
| 615 | * @param string $author The author of the comment
|
|---|
| 616 | * @param string $email The email of the comment
|
|---|
| 617 | * @param string $url The url used in the comment
|
|---|
| 618 | * @param string $comment The comment content
|
|---|
| 619 | * @param string $user_ip The comment author IP address
|
|---|
| 620 | * @param string $user_agent The author's browser user agent
|
|---|
| 621 | * @return bool True if comment contains blacklisted content, false if comment does not
|
|---|
| 622 | */
|
|---|
| 623 | function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) {
|
|---|
| 624 | do_action('wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent);
|
|---|
| 625 |
|
|---|
| 626 | if ( preg_match_all('/&#(\d+);/', $comment . $author . $url, $chars) ) {
|
|---|
| 627 | foreach ( (array) $chars[1] as $char ) {
|
|---|
| 628 | // If it's an encoded char in the normal ASCII set, reject
|
|---|
| 629 | if ( 38 == $char )
|
|---|
| 630 | continue; // Unless it's &
|
|---|
| 631 | if ( $char < 128 )
|
|---|
| 632 | return true;
|
|---|
| 633 | }
|
|---|
| 634 | }
|
|---|
| 635 |
|
|---|
| 636 | $mod_keys = trim( get_option('blacklist_keys') );
|
|---|
| 637 | if ( '' == $mod_keys )
|
|---|
| 638 | return false; // If moderation keys are empty
|
|---|
| 639 | $words = explode("\n", $mod_keys );
|
|---|
| 640 |
|
|---|
| 641 | foreach ( (array) $words as $word ) {
|
|---|
| 642 | $word = trim($word);
|
|---|
| 643 |
|
|---|
| 644 | // Skip empty lines
|
|---|
| 645 | if ( empty($word) ) { continue; }
|
|---|
| 646 |
|
|---|
| 647 | // Do some escaping magic so that '#' chars in the
|
|---|
| 648 | // spam words don't break things:
|
|---|
| 649 | $word = preg_quote($word, '#');
|
|---|
| 650 |
|
|---|
| 651 | $pattern = "#$word#i";
|
|---|
| 652 | if (
|
|---|
| 653 | preg_match($pattern, $author)
|
|---|
| 654 | || preg_match($pattern, $email)
|
|---|
| 655 | || preg_match($pattern, $url)
|
|---|
| 656 | || preg_match($pattern, $comment)
|
|---|
| 657 | || preg_match($pattern, $user_ip)
|
|---|
| 658 | || preg_match($pattern, $user_agent)
|
|---|
| 659 | )
|
|---|
| 660 | return true;
|
|---|
| 661 | }
|
|---|
| 662 | return false;
|
|---|
| 663 | }
|
|---|
| 664 |
|
|---|
| 665 | /**
|
|---|
| 666 | * Retrieve total comments for blog or single post.
|
|---|
| 667 | *
|
|---|
| 668 | * The properties of the returned object contain the 'moderated', 'approved',
|
|---|
| 669 | * and spam comments for either the entire blog or single post. Those properties
|
|---|
| 670 | * contain the amount of comments that match the status. The 'total_comments'
|
|---|
| 671 | * property contains the integer of total comments.
|
|---|
| 672 | *
|
|---|
| 673 | * The comment stats are cached and then retrieved, if they already exist in the
|
|---|
| 674 | * cache.
|
|---|
| 675 | *
|
|---|
| 676 | * @since 2.5.0
|
|---|
| 677 | *
|
|---|
| 678 | * @param int $post_id Optional. Post ID.
|
|---|
| 679 | * @return object Comment stats.
|
|---|
| 680 | */
|
|---|
| 681 | function wp_count_comments( $post_id = 0 ) {
|
|---|
| 682 | global $wpdb;
|
|---|
| 683 |
|
|---|
| 684 | $post_id = (int) $post_id;
|
|---|
| 685 |
|
|---|
| 686 | $stats = apply_filters('wp_count_comments', array(), $post_id);
|
|---|
| 687 | if ( !empty($stats) )
|
|---|
| 688 | return $stats;
|
|---|
| 689 |
|
|---|
| 690 | $count = wp_cache_get("comments-{$post_id}", 'counts');
|
|---|
| 691 |
|
|---|
| 692 | if ( false !== $count )
|
|---|
| 693 | return $count;
|
|---|
| 694 |
|
|---|
| 695 | $where = '';
|
|---|
| 696 | if( $post_id > 0 )
|
|---|
| 697 | $where = $wpdb->prepare( "WHERE comment_post_ID = %d", $post_id );
|
|---|
| 698 |
|
|---|
| 699 | $count = $wpdb->get_results( "SELECT comment_approved, COUNT( * ) AS num_comments FROM {$wpdb->comments} {$where} GROUP BY comment_approved", ARRAY_A );
|
|---|
| 700 |
|
|---|
| 701 | $total = 0;
|
|---|
| 702 | $approved = array('0' => 'moderated', '1' => 'approved', 'spam' => 'spam');
|
|---|
| 703 | $known_types = array_keys( $approved );
|
|---|
| 704 | foreach( (array) $count as $row_num => $row ) {
|
|---|
| 705 | $total += $row['num_comments'];
|
|---|
| 706 | if ( in_array( $row['comment_approved'], $known_types ) )
|
|---|
| 707 | $stats[$approved[$row['comment_approved']]] = $row['num_comments'];
|
|---|
| 708 | }
|
|---|
| 709 |
|
|---|
| 710 | $stats['total_comments'] = $total;
|
|---|
| 711 | foreach ( $approved as $key ) {
|
|---|
| 712 | if ( empty($stats[$key]) )
|
|---|
| 713 | $stats[$key] = 0;
|
|---|
| 714 | }
|
|---|
| 715 |
|
|---|
| 716 | $stats = (object) $stats;
|
|---|
| 717 | wp_cache_set("comments-{$post_id}", $stats, 'counts');
|
|---|
| 718 |
|
|---|
| 719 | return $stats;
|
|---|
| 720 | }
|
|---|
| 721 |
|
|---|
| 722 | /**
|
|---|
| 723 | * Removes comment ID and maybe updates post comment count.
|
|---|
| 724 | *
|
|---|
| 725 | * The post comment count will be updated if the comment was approved and has a
|
|---|
| 726 | * post ID available.
|
|---|
| 727 | *
|
|---|
| 728 | * @since 2.0.0
|
|---|
| 729 | * @uses $wpdb
|
|---|
| 730 | * @uses do_action() Calls 'delete_comment' hook on comment ID
|
|---|
| 731 | * @uses do_action() Calls 'wp_set_comment_status' hook on comment ID with 'delete' set for the second parameter
|
|---|
| 732 | * @uses wp_transition_comment_status() Passes new and old comment status along with $comment object
|
|---|
| 733 | *
|
|---|
| 734 | * @param int $comment_id Comment ID
|
|---|
| 735 | * @return bool False if delete comment query failure, true on success.
|
|---|
| 736 | */
|
|---|
| 737 | function wp_delete_comment($comment_id) {
|
|---|
| 738 | global $wpdb;
|
|---|
| 739 | do_action('delete_comment', $comment_id);
|
|---|
| 740 |
|
|---|
| 741 | $comment = get_comment($comment_id);
|
|---|
| 742 |
|
|---|
| 743 | if ( ! $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment_id) ) )
|
|---|
| 744 | return false;
|
|---|
| 745 |
|
|---|
| 746 | // Move children up a level.
|
|---|
| 747 | $children = $wpdb->get_col( $wpdb->prepare("SELECT comment_ID FROM $wpdb->comments WHERE comment_parent = %d", $comment_id) );
|
|---|
| 748 | if ( !empty($children) ) {
|
|---|
| 749 | $wpdb->update($wpdb->comments, array('comment_parent' => $comment->comment_parent), array('comment_parent' => $comment_id));
|
|---|
| 750 | clean_comment_cache($children);
|
|---|
| 751 | }
|
|---|
| 752 |
|
|---|
| 753 | $post_id = $comment->comment_post_ID;
|
|---|
| 754 | if ( $post_id && $comment->comment_approved == 1 )
|
|---|
| 755 | wp_update_comment_count($post_id);
|
|---|
| 756 |
|
|---|
| 757 | clean_comment_cache($comment_id);
|
|---|
| 758 |
|
|---|
| 759 | do_action('wp_set_comment_status', $comment_id, 'delete');
|
|---|
| 760 | wp_transition_comment_status('delete', $comment->comment_approved, $comment);
|
|---|
| 761 | return true;
|
|---|
| 762 | }
|
|---|
| 763 |
|
|---|
| 764 | /**
|
|---|
| 765 | * The status of a comment by ID.
|
|---|
| 766 | *
|
|---|
| 767 | * @since 1.0.0
|
|---|
| 768 | *
|
|---|
| 769 | * @param int $comment_id Comment ID
|
|---|
| 770 | * @return string|bool Status might be 'deleted', 'approved', 'unapproved', 'spam'. False on failure.
|
|---|
| 771 | */
|
|---|
| 772 | function wp_get_comment_status($comment_id) {
|
|---|
| 773 | $comment = get_comment($comment_id);
|
|---|
| 774 | if ( !$comment )
|
|---|
| 775 | return false;
|
|---|
| 776 |
|
|---|
| 777 | $approved = $comment->comment_approved;
|
|---|
| 778 |
|
|---|
| 779 | if ( $approved == NULL )
|
|---|
| 780 | return 'deleted';
|
|---|
| 781 | elseif ( $approved == '1' )
|
|---|
| 782 | return 'approved';
|
|---|
| 783 | elseif ( $approved == '0' )
|
|---|
| 784 | return 'unapproved';
|
|---|
| 785 | elseif ( $approved == 'spam' )
|
|---|
| 786 | return 'spam';
|
|---|
| 787 | else
|
|---|
| 788 | return false;
|
|---|
| 789 | }
|
|---|
| 790 |
|
|---|
| 791 | /**
|
|---|
| 792 | * Call hooks for when a comment status transition occurs.
|
|---|
| 793 | *
|
|---|
| 794 | * Calls hooks for comment status transitions. If the new comment status is not the same
|
|---|
| 795 | * as the previous comment status, then two hooks will be ran, the first is
|
|---|
| 796 | * 'transition_comment_status' with new status, old status, and comment data. The
|
|---|
| 797 | * next action called is 'comment_OLDSTATUS_to_NEWSTATUS' the NEWSTATUS is the
|
|---|
| 798 | * $new_status parameter and the OLDSTATUS is $old_status parameter; it has the
|
|---|
| 799 | * comment data.
|
|---|
| 800 | *
|
|---|
| 801 | * The final action will run whether or not the comment statuses are the same. The
|
|---|
| 802 | * action is named 'comment_NEWSTATUS_COMMENTTYPE', NEWSTATUS is from the $new_status
|
|---|
| 803 | * parameter and COMMENTTYPE is comment_type comment data.
|
|---|
| 804 | *
|
|---|
| 805 | * @since 2.7.0
|
|---|
| 806 | *
|
|---|
| 807 | * @param string $new_status New comment status.
|
|---|
| 808 | * @param string $old_status Previous comment status.
|
|---|
| 809 | * @param object $comment Comment data.
|
|---|
| 810 | */
|
|---|
| 811 | function wp_transition_comment_status($new_status, $old_status, $comment) {
|
|---|
| 812 | // Translate raw statuses to human readable formats for the hooks
|
|---|
| 813 | // This is not a complete list of comment status, it's only the ones that need to be renamed
|
|---|
| 814 | $comment_statuses = array(
|
|---|
| 815 | 0 => 'unapproved',
|
|---|
| 816 | 'hold' => 'unapproved', // wp_set_comment_status() uses "hold"
|
|---|
| 817 | 1 => 'approved',
|
|---|
| 818 | 'approve' => 'approved', // wp_set_comment_status() uses "approve"
|
|---|
| 819 | );
|
|---|
| 820 | if ( isset($comment_statuses[$new_status]) ) $new_status = $comment_statuses[$new_status];
|
|---|
| 821 | if ( isset($comment_statuses[$old_status]) ) $old_status = $comment_statuses[$old_status];
|
|---|
| 822 |
|
|---|
| 823 | // Call the hooks
|
|---|
| 824 | if ( $new_status != $old_status ) {
|
|---|
| 825 | do_action('transition_comment_status', $new_status, $old_status, $comment);
|
|---|
| 826 | do_action("comment_${old_status}_to_$new_status", $comment);
|
|---|
| 827 | }
|
|---|
| 828 | do_action("comment_${new_status}_$comment->comment_type", $comment->comment_ID, $comment);
|
|---|
| 829 | }
|
|---|
| 830 |
|
|---|
| 831 | /**
|
|---|
| 832 | * Get current commenter's name, email, and URL.
|
|---|
| 833 | *
|
|---|
| 834 | * Expects cookies content to already be sanitized. User of this function might
|
|---|
| 835 | * wish to recheck the returned array for validity.
|
|---|
| 836 | *
|
|---|
| 837 | * @see sanitize_comment_cookies() Use to sanitize cookies
|
|---|
| 838 | *
|
|---|
| 839 | * @since 2.0.4
|
|---|
| 840 | *
|
|---|
| 841 | * @return array Comment author, email, url respectively.
|
|---|
| 842 | */
|
|---|
| 843 | function wp_get_current_commenter() {
|
|---|
| 844 | // Cookies should already be sanitized.
|
|---|
| 845 |
|
|---|
| 846 | $comment_author = '';
|
|---|
| 847 | if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) )
|
|---|
| 848 | $comment_author = $_COOKIE['comment_author_'.COOKIEHASH];
|
|---|
| 849 |
|
|---|
| 850 | $comment_author_email = '';
|
|---|
| 851 | if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) )
|
|---|
| 852 | $comment_author_email = $_COOKIE['comment_author_email_'.COOKIEHASH];
|
|---|
| 853 |
|
|---|
| 854 | $comment_author_url = '';
|
|---|
| 855 | if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) )
|
|---|
| 856 | $comment_author_url = $_COOKIE['comment_author_url_'.COOKIEHASH];
|
|---|
| 857 |
|
|---|
| 858 | return compact('comment_author', 'comment_author_email', 'comment_author_url');
|
|---|
| 859 | }
|
|---|
| 860 |
|
|---|
| 861 | /**
|
|---|
| 862 | * Inserts a comment to the database.
|
|---|
| 863 | *
|
|---|
| 864 | * The available comment data key names are 'comment_author_IP', 'comment_date',
|
|---|
| 865 | * 'comment_date_gmt', 'comment_parent', 'comment_approved', and 'user_id'.
|
|---|
| 866 | *
|
|---|
| 867 | * @since 2.0.0
|
|---|
| 868 | * @uses $wpdb
|
|---|
| 869 | *
|
|---|
| 870 | * @param array $commentdata Contains information on the comment.
|
|---|
| 871 | * @return int The new comment's ID.
|
|---|
| 872 | */
|
|---|
| 873 | function wp_insert_comment($commentdata) {
|
|---|
| 874 | global $wpdb;
|
|---|
| 875 | extract(stripslashes_deep($commentdata), EXTR_SKIP);
|
|---|
| 876 |
|
|---|
| 877 | if ( ! isset($comment_author_IP) )
|
|---|
| 878 | $comment_author_IP = '';
|
|---|
| 879 | if ( ! isset($comment_date) )
|
|---|
| 880 | $comment_date = current_time('mysql');
|
|---|
| 881 | if ( ! isset($comment_date_gmt) )
|
|---|
| 882 | $comment_date_gmt = get_gmt_from_date($comment_date);
|
|---|
| 883 | if ( ! isset($comment_parent) )
|
|---|
| 884 | $comment_parent = 0;
|
|---|
| 885 | if ( ! isset($comment_approved) )
|
|---|
| 886 | $comment_approved = 1;
|
|---|
| 887 | if ( ! isset($comment_karma) )
|
|---|
| 888 | $comment_karma = 0;
|
|---|
| 889 | if ( ! isset($user_id) )
|
|---|
| 890 | $user_id = 0;
|
|---|
| 891 | if ( ! isset($comment_type) )
|
|---|
| 892 | $comment_type = '';
|
|---|
| 893 |
|
|---|
| 894 | $data = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_date', 'comment_date_gmt', 'comment_content', 'comment_karma', 'comment_approved', 'comment_agent', 'comment_type', 'comment_parent', 'user_id');
|
|---|
| 895 | $wpdb->insert($wpdb->comments, $data);
|
|---|
| 896 |
|
|---|
| 897 | $id = (int) $wpdb->insert_id;
|
|---|
| 898 |
|
|---|
| 899 | if ( $comment_approved == 1 )
|
|---|
| 900 | wp_update_comment_count($comment_post_ID);
|
|---|
| 901 |
|
|---|
| 902 | $comment = get_comment($id);
|
|---|
| 903 | do_action('wp_insert_comment', $id, $comment);
|
|---|
| 904 |
|
|---|
| 905 | return $id;
|
|---|
| 906 | }
|
|---|
| 907 |
|
|---|
| 908 | /**
|
|---|
| 909 | * Filters and sanitizes comment data.
|
|---|
| 910 | *
|
|---|
| 911 | * Sets the comment data 'filtered' field to true when finished. This can be
|
|---|
| 912 | * checked as to whether the comment should be filtered and to keep from
|
|---|
| 913 | * filtering the same comment more than once.
|
|---|
| 914 | *
|
|---|
| 915 | * @since 2.0.0
|
|---|
| 916 | * @uses apply_filters() Calls 'pre_user_id' hook on comment author's user ID
|
|---|
| 917 | * @uses apply_filters() Calls 'pre_comment_user_agent' hook on comment author's user agent
|
|---|
| 918 | * @uses apply_filters() Calls 'pre_comment_author_name' hook on comment author's name
|
|---|
| 919 | * @uses apply_filters() Calls 'pre_comment_content' hook on the comment's content
|
|---|
| 920 | * @uses apply_filters() Calls 'pre_comment_user_ip' hook on comment author's IP
|
|---|
| 921 | * @uses apply_filters() Calls 'pre_comment_author_url' hook on comment author's URL
|
|---|
| 922 | * @uses apply_filters() Calls 'pre_comment_author_email' hook on comment author's email address
|
|---|
| 923 | *
|
|---|
| 924 | * @param array $commentdata Contains information on the comment.
|
|---|
| 925 | * @return array Parsed comment information.
|
|---|
| 926 | */
|
|---|
| 927 | function wp_filter_comment($commentdata) {
|
|---|
| 928 | $commentdata['user_id'] = apply_filters('pre_user_id', $commentdata['user_ID']);
|
|---|
| 929 | $commentdata['comment_agent'] = apply_filters('pre_comment_user_agent', $commentdata['comment_agent']);
|
|---|
| 930 | $commentdata['comment_author'] = apply_filters('pre_comment_author_name', $commentdata['comment_author']);
|
|---|
| 931 | $commentdata['comment_content'] = apply_filters('pre_comment_content', $commentdata['comment_content']);
|
|---|
| 932 | $commentdata['comment_author_IP'] = apply_filters('pre_comment_user_ip', $commentdata['comment_author_IP']);
|
|---|
| 933 | $commentdata['comment_author_url'] = apply_filters('pre_comment_author_url', $commentdata['comment_author_url']);
|
|---|
| 934 | $commentdata['comment_author_email'] = apply_filters('pre_comment_author_email', $commentdata['comment_author_email']);
|
|---|
| 935 | $commentdata['filtered'] = true;
|
|---|
| 936 | return $commentdata;
|
|---|
| 937 | }
|
|---|
| 938 |
|
|---|
| 939 | /**
|
|---|
| 940 | * Whether comment should be blocked because of comment flood.
|
|---|
| 941 | *
|
|---|
| 942 | * @since 2.1.0
|
|---|
| 943 | *
|
|---|
| 944 | * @param bool $block Whether plugin has already blocked comment.
|
|---|
| 945 | * @param int $time_lastcomment Timestamp for last comment.
|
|---|
| 946 | * @param int $time_newcomment Timestamp for new comment.
|
|---|
| 947 | * @return bool Whether comment should be blocked.
|
|---|
| 948 | */
|
|---|
| 949 | function wp_throttle_comment_flood($block, $time_lastcomment, $time_newcomment) {
|
|---|
| 950 | if ( $block ) // a plugin has already blocked... we'll let that decision stand
|
|---|
| 951 | return $block;
|
|---|
| 952 | if ( ($time_newcomment - $time_lastcomment) < 15 )
|
|---|
| 953 | return true;
|
|---|
| 954 | return false;
|
|---|
| 955 | }
|
|---|
| 956 |
|
|---|
| 957 | /**
|
|---|
| 958 | * Adds a new comment to the database.
|
|---|
| 959 | *
|
|---|
| 960 | * Filters new comment to ensure that the fields are sanitized and valid before
|
|---|
| 961 | * inserting comment into database. Calls 'comment_post' action with comment ID
|
|---|
| 962 | * and whether comment is approved by WordPress. Also has 'preprocess_comment'
|
|---|
| 963 | * filter for processing the comment data before the function handles it.
|
|---|
| 964 | *
|
|---|
| 965 | * @since 1.5.0
|
|---|
| 966 | * @uses apply_filters() Calls 'preprocess_comment' hook on $commentdata parameter array before processing
|
|---|
| 967 | * @uses do_action() Calls 'comment_post' hook on $comment_ID returned from adding the comment and if the comment was approved.
|
|---|
| 968 | * @uses wp_filter_comment() Used to filter comment before adding comment.
|
|---|
| 969 | * @uses wp_allow_comment() checks to see if comment is approved.
|
|---|
| 970 | * @uses wp_insert_comment() Does the actual comment insertion to the database.
|
|---|
| 971 | *
|
|---|
| 972 | * @param array $commentdata Contains information on the comment.
|
|---|
| 973 | * @return int The ID of the comment after adding.
|
|---|
| 974 | */
|
|---|
| 975 | function wp_new_comment( $commentdata ) {
|
|---|
| 976 | $commentdata = apply_filters('preprocess_comment', $commentdata);
|
|---|
| 977 |
|
|---|
| 978 | $commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID'];
|
|---|
| 979 | $commentdata['user_ID'] = (int) $commentdata['user_ID'];
|
|---|
| 980 |
|
|---|
| 981 | $commentdata['comment_parent'] = absint($commentdata['comment_parent']);
|
|---|
| 982 | $parent_status = ( 0 < $commentdata['comment_parent'] ) ? wp_get_comment_status($commentdata['comment_parent']) : '';
|
|---|
| 983 | $commentdata['comment_parent'] = ( 'approved' == $parent_status || 'unapproved' == $parent_status ) ? $commentdata['comment_parent'] : 0;
|
|---|
| 984 |
|
|---|
| 985 | $commentdata['comment_author_IP'] = preg_replace( '/[^0-9a-fA-F:., ]/', '',$_SERVER['REMOTE_ADDR'] );
|
|---|
| 986 | $commentdata['comment_agent'] = $_SERVER['HTTP_USER_AGENT'];
|
|---|
| 987 |
|
|---|
| 988 | $commentdata['comment_date'] = current_time('mysql');
|
|---|
| 989 | $commentdata['comment_date_gmt'] = current_time('mysql', 1);
|
|---|
| 990 |
|
|---|
| 991 | $commentdata = wp_filter_comment($commentdata);
|
|---|
| 992 |
|
|---|
| 993 | $commentdata['comment_approved'] = wp_allow_comment($commentdata);
|
|---|
| 994 |
|
|---|
| 995 | $comment_ID = wp_insert_comment($commentdata);
|
|---|
| 996 |
|
|---|
| 997 | do_action('comment_post', $comment_ID, $commentdata['comment_approved']);
|
|---|
| 998 |
|
|---|
| 999 | if ( 'spam' !== $commentdata['comment_approved'] ) { // If it's spam save it silently for later crunching
|
|---|
| 1000 | if ( '0' == $commentdata['comment_approved'] )
|
|---|
| 1001 | wp_notify_moderator($comment_ID);
|
|---|
| 1002 |
|
|---|
| 1003 | $post = &get_post($commentdata['comment_post_ID']); // Don't notify if it's your own comment
|
|---|
| 1004 |
|
|---|
| 1005 | if ( get_option('comments_notify') && $commentdata['comment_approved'] && $post->post_author != $commentdata['user_ID'] )
|
|---|
| 1006 | wp_notify_postauthor($comment_ID, $commentdata['comment_type']);
|
|---|
| 1007 | }
|
|---|
| 1008 |
|
|---|
| 1009 | return $comment_ID;
|
|---|
| 1010 | }
|
|---|
| 1011 |
|
|---|
| 1012 | /**
|
|---|
| 1013 | * Sets the status of a comment.
|
|---|
| 1014 | *
|
|---|
| 1015 | * The 'wp_set_comment_status' action is called after the comment is handled and
|
|---|
| 1016 | * will only be called, if the comment status is either 'hold', 'approve', or
|
|---|
| 1017 | * 'spam'. If the comment status is not in the list, then false is returned and
|
|---|
| 1018 | * if the status is 'delete', then the comment is deleted without calling the
|
|---|
| 1019 | * action.
|
|---|
| 1020 | *
|
|---|
| 1021 | * @since 1.0.0
|
|---|
| 1022 | * @uses wp_transition_comment_status() Passes new and old comment status along with $comment object
|
|---|
| 1023 | *
|
|---|
| 1024 | * @param int $comment_id Comment ID.
|
|---|
| 1025 | * @param string $comment_status New comment status, either 'hold', 'approve', 'spam', or 'delete'.
|
|---|
| 1026 | * @param bool $wp_error Whether to return a WP_Error object if there is a failure. Default is false.
|
|---|
| 1027 | * @return bool False on failure or deletion and true on success.
|
|---|
| 1028 | */
|
|---|
| 1029 | function wp_set_comment_status($comment_id, $comment_status, $wp_error = false) {
|
|---|
| 1030 | global $wpdb;
|
|---|
| 1031 |
|
|---|
| 1032 | $status = '0';
|
|---|
| 1033 | switch ( $comment_status ) {
|
|---|
| 1034 | case 'hold':
|
|---|
| 1035 | $status = '0';
|
|---|
| 1036 | break;
|
|---|
| 1037 | case 'approve':
|
|---|
| 1038 | $status = '1';
|
|---|
| 1039 | if ( get_option('comments_notify') ) {
|
|---|
| 1040 | $comment = get_comment($comment_id);
|
|---|
| 1041 | wp_notify_postauthor($comment_id, $comment->comment_type);
|
|---|
| 1042 | }
|
|---|
| 1043 | break;
|
|---|
| 1044 | case 'spam':
|
|---|
| 1045 | $status = 'spam';
|
|---|
| 1046 | break;
|
|---|
| 1047 | case 'delete':
|
|---|
| 1048 | return wp_delete_comment($comment_id);
|
|---|
| 1049 | break;
|
|---|
| 1050 | default:
|
|---|
| 1051 | return false;
|
|---|
| 1052 | }
|
|---|
| 1053 |
|
|---|
| 1054 | if ( !$wpdb->update( $wpdb->comments, array('comment_approved' => $status), array('comment_ID' => $comment_id) ) ) {
|
|---|
| 1055 | if ( $wp_error )
|
|---|
| 1056 | return new WP_Error('db_update_error', __('Could not update comment status'), $wpdb->last_error);
|
|---|
| 1057 | else
|
|---|
| 1058 | return false;
|
|---|
| 1059 | }
|
|---|
| 1060 |
|
|---|
| 1061 | clean_comment_cache($comment_id);
|
|---|
| 1062 |
|
|---|
| 1063 | $comment = get_comment($comment_id);
|
|---|
| 1064 |
|
|---|
| 1065 | do_action('wp_set_comment_status', $comment_id, $comment_status);
|
|---|
| 1066 | wp_transition_comment_status($comment_status, $comment->comment_approved, $comment);
|
|---|
| 1067 |
|
|---|
| 1068 | wp_update_comment_count($comment->comment_post_ID);
|
|---|
| 1069 |
|
|---|
| 1070 | return true;
|
|---|
| 1071 | }
|
|---|
| 1072 |
|
|---|
| 1073 | /**
|
|---|
| 1074 | * Updates an existing comment in the database.
|
|---|
| 1075 | *
|
|---|
| 1076 | * Filters the comment and makes sure certain fields are valid before updating.
|
|---|
| 1077 | *
|
|---|
| 1078 | * @since 2.0.0
|
|---|
| 1079 | * @uses $wpdb
|
|---|
| 1080 | * @uses wp_transition_comment_status() Passes new and old comment status along with $comment object
|
|---|
| 1081 | *
|
|---|
| 1082 | * @param array $commentarr Contains information on the comment.
|
|---|
| 1083 | * @return int Comment was updated if value is 1, or was not updated if value is 0.
|
|---|
| 1084 | */
|
|---|
| 1085 | function wp_update_comment($commentarr) {
|
|---|
| 1086 | global $wpdb;
|
|---|
| 1087 |
|
|---|
| 1088 | // First, get all of the original fields
|
|---|
| 1089 | $comment = get_comment($commentarr['comment_ID'], ARRAY_A);
|
|---|
| 1090 |
|
|---|
| 1091 | // Escape data pulled from DB.
|
|---|
| 1092 | $comment = $wpdb->escape($comment);
|
|---|
| 1093 |
|
|---|
| 1094 | $old_status = $comment['comment_approved'];
|
|---|
| 1095 |
|
|---|
| 1096 | // Merge old and new fields with new fields overwriting old ones.
|
|---|
| 1097 | $commentarr = array_merge($comment, $commentarr);
|
|---|
| 1098 |
|
|---|
| 1099 | $commentarr = wp_filter_comment( $commentarr );
|
|---|
| 1100 |
|
|---|
| 1101 | // Now extract the merged array.
|
|---|
| 1102 | extract(stripslashes_deep($commentarr), EXTR_SKIP);
|
|---|
| 1103 |
|
|---|
| 1104 | $comment_content = apply_filters('comment_save_pre', $comment_content);
|
|---|
| 1105 |
|
|---|
| 1106 | $comment_date_gmt = get_gmt_from_date($comment_date);
|
|---|
| 1107 |
|
|---|
| 1108 | if ( !isset($comment_approved) )
|
|---|
| 1109 | $comment_approved = 1;
|
|---|
| 1110 | else if ( 'hold' == $comment_approved )
|
|---|
| 1111 | $comment_approved = 0;
|
|---|
| 1112 | else if ( 'approve' == $comment_approved )
|
|---|
| 1113 | $comment_approved = 1;
|
|---|
| 1114 |
|
|---|
| 1115 | $data = compact('comment_content', 'comment_author', 'comment_author_email', 'comment_approved', 'comment_karma', 'comment_author_url', 'comment_date', 'comment_date_gmt');
|
|---|
| 1116 | $wpdb->update($wpdb->comments, $data, compact('comment_ID'));
|
|---|
| 1117 |
|
|---|
| 1118 | $rval = $wpdb->rows_affected;
|
|---|
| 1119 |
|
|---|
| 1120 | clean_comment_cache($comment_ID);
|
|---|
| 1121 | wp_update_comment_count($comment_post_ID);
|
|---|
| 1122 | do_action('edit_comment', $comment_ID);
|
|---|
| 1123 | $comment = get_comment($comment_ID);
|
|---|
| 1124 | wp_transition_comment_status($comment->comment_approved, $old_status, $comment);
|
|---|
| 1125 | return $rval;
|
|---|
| 1126 | }
|
|---|
| 1127 |
|
|---|
| 1128 | /**
|
|---|
| 1129 | * Whether to defer comment counting.
|
|---|
| 1130 | *
|
|---|
| 1131 | * When setting $defer to true, all post comment counts will not be updated
|
|---|
| 1132 | * until $defer is set to false. When $defer is set to false, then all
|
|---|
| 1133 | * previously deferred updated post comment counts will then be automatically
|
|---|
| 1134 | * updated without having to call wp_update_comment_count() after.
|
|---|
| 1135 | *
|
|---|
| 1136 | * @since 2.5.0
|
|---|
| 1137 | * @staticvar bool $_defer
|
|---|
| 1138 | *
|
|---|
| 1139 | * @param bool $defer
|
|---|
| 1140 | * @return unknown
|
|---|
| 1141 | */
|
|---|
| 1142 | function wp_defer_comment_counting($defer=null) {
|
|---|
| 1143 | static $_defer = false;
|
|---|
| 1144 |
|
|---|
| 1145 | if ( is_bool($defer) ) {
|
|---|
| 1146 | $_defer = $defer;
|
|---|
| 1147 | // flush any deferred counts
|
|---|
| 1148 | if ( !$defer )
|
|---|
| 1149 | wp_update_comment_count( null, true );
|
|---|
| 1150 | }
|
|---|
| 1151 |
|
|---|
| 1152 | return $_defer;
|
|---|
| 1153 | }
|
|---|
| 1154 |
|
|---|
| 1155 | /**
|
|---|
| 1156 | * Updates the comment count for post(s).
|
|---|
| 1157 | *
|
|---|
| 1158 | * When $do_deferred is false (is by default) and the comments have been set to
|
|---|
| 1159 | * be deferred, the post_id will be added to a queue, which will be updated at a
|
|---|
| 1160 | * later date and only updated once per post ID.
|
|---|
| 1161 | *
|
|---|
| 1162 | * If the comments have not be set up to be deferred, then the post will be
|
|---|
| 1163 | * updated. When $do_deferred is set to true, then all previous deferred post
|
|---|
| 1164 | * IDs will be updated along with the current $post_id.
|
|---|
| 1165 | *
|
|---|
| 1166 | * @since 2.1.0
|
|---|
| 1167 | * @see wp_update_comment_count_now() For what could cause a false return value
|
|---|
| 1168 | *
|
|---|
| 1169 | * @param int $post_id Post ID
|
|---|
| 1170 | * @param bool $do_deferred Whether to process previously deferred post comment counts
|
|---|
| 1171 | * @return bool True on success, false on failure
|
|---|
| 1172 | */
|
|---|
| 1173 | function wp_update_comment_count($post_id, $do_deferred=false) {
|
|---|
| 1174 | static $_deferred = array();
|
|---|
| 1175 |
|
|---|
| 1176 | if ( $do_deferred ) {
|
|---|
| 1177 | $_deferred = array_unique($_deferred);
|
|---|
| 1178 | foreach ( $_deferred as $i => $_post_id ) {
|
|---|
| 1179 | wp_update_comment_count_now($_post_id);
|
|---|
| 1180 | unset( $_deferred[$i] ); /** @todo Move this outside of the foreach and reset $_deferred to an array instead */
|
|---|
| 1181 | }
|
|---|
| 1182 | }
|
|---|
| 1183 |
|
|---|
| 1184 | if ( wp_defer_comment_counting() ) {
|
|---|
| 1185 | $_deferred[] = $post_id;
|
|---|
| 1186 | return true;
|
|---|
| 1187 | }
|
|---|
| 1188 | elseif ( $post_id ) {
|
|---|
| 1189 | return wp_update_comment_count_now($post_id);
|
|---|
| 1190 | }
|
|---|
| 1191 |
|
|---|
| 1192 | }
|
|---|
| 1193 |
|
|---|
| 1194 | /**
|
|---|
| 1195 | * Updates the comment count for the post.
|
|---|
| 1196 | *
|
|---|
| 1197 | * @since 2.5.0
|
|---|
| 1198 | * @uses $wpdb
|
|---|
| 1199 | * @uses do_action() Calls 'wp_update_comment_count' hook on $post_id, $new, and $old
|
|---|
| 1200 | * @uses do_action() Calls 'edit_posts' hook on $post_id and $post
|
|---|
| 1201 | *
|
|---|
| 1202 | * @param int $post_id Post ID
|
|---|
| 1203 | * @return bool False on '0' $post_id or if post with ID does not exist. True on success.
|
|---|
| 1204 | */
|
|---|
| 1205 | function wp_update_comment_count_now($post_id) {
|
|---|
| 1206 | global $wpdb;
|
|---|
| 1207 | $post_id = (int) $post_id;
|
|---|
| 1208 | if ( !$post_id )
|
|---|
| 1209 | return false;
|
|---|
| 1210 | if ( !$post = get_post($post_id) )
|
|---|
| 1211 | return false;
|
|---|
| 1212 |
|
|---|
| 1213 | $old = (int) $post->comment_count;
|
|---|
| 1214 | $new = (int) $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1'", $post_id) );
|
|---|
| 1215 | $wpdb->update( $wpdb->posts, array('comment_count' => $new), array('ID' => $post_id) );
|
|---|
| 1216 |
|
|---|
| 1217 | if ( 'page' == $post->post_type )
|
|---|
| 1218 | clean_page_cache( $post_id );
|
|---|
| 1219 | else
|
|---|
| 1220 | clean_post_cache( $post_id );
|
|---|
| 1221 |
|
|---|
| 1222 | do_action('wp_update_comment_count', $post_id, $new, $old);
|
|---|
| 1223 | do_action('edit_post', $post_id, $post);
|
|---|
| 1224 |
|
|---|
| 1225 | return true;
|
|---|
| 1226 | }
|
|---|
| 1227 |
|
|---|
| 1228 | //
|
|---|
| 1229 | // Ping and trackback functions.
|
|---|
| 1230 | //
|
|---|
| 1231 |
|
|---|
| 1232 | /**
|
|---|
| 1233 | * Finds a pingback server URI based on the given URL.
|
|---|
| 1234 | *
|
|---|
| 1235 | * Checks the HTML for the rel="pingback" link and x-pingback headers. It does
|
|---|
| 1236 | * a check for the x-pingback headers first and returns that, if available. The
|
|---|
| 1237 | * check for the rel="pingback" has more overhead than just the header.
|
|---|
| 1238 | *
|
|---|
| 1239 | * @since 1.5.0
|
|---|
| 1240 | *
|
|---|
| 1241 | * @param string $url URL to ping.
|
|---|
| 1242 | * @param int $deprecated Not Used.
|
|---|
| 1243 | * @return bool|string False on failure, string containing URI on success.
|
|---|
| 1244 | */
|
|---|
| 1245 | function discover_pingback_server_uri($url, $deprecated = 2048) {
|
|---|
| 1246 |
|
|---|
| 1247 | $pingback_str_dquote = 'rel="pingback"';
|
|---|
| 1248 | $pingback_str_squote = 'rel=\'pingback\'';
|
|---|
| 1249 |
|
|---|
| 1250 | /** @todo Should use Filter Extension or custom preg_match instead. */
|
|---|
| 1251 | $parsed_url = parse_url($url);
|
|---|
| 1252 |
|
|---|
| 1253 | if ( ! isset( $parsed_url['host'] ) ) // Not an URL. This should never happen.
|
|---|
| 1254 | return false;
|
|---|
| 1255 |
|
|---|
| 1256 | //Do not search for a pingback server on our own uploads
|
|---|
| 1257 | $uploads_dir = wp_upload_dir();
|
|---|
| 1258 | if ( 0 === strpos($url, $uploads_dir['baseurl']) )
|
|---|
| 1259 | return false;
|
|---|
| 1260 |
|
|---|
| 1261 | $response = wp_remote_head( $url, array( 'timeout' => 2, 'httpversion' => '1.0' ) );
|
|---|
| 1262 |
|
|---|
| 1263 | if ( is_wp_error( $response ) )
|
|---|
| 1264 | return false;
|
|---|
| 1265 |
|
|---|
| 1266 | if ( isset( $response['headers']['x-pingback'] ) )
|
|---|
| 1267 | return $response['headers']['x-pingback'];
|
|---|
| 1268 |
|
|---|
| 1269 | // Not an (x)html, sgml, or xml page, no use going further.
|
|---|
| 1270 | if ( isset( $response['headers']['content-type'] ) && preg_match('#(image|audio|video|model)/#is', $response['headers']['content-type']) )
|
|---|
| 1271 | return false;
|
|---|
| 1272 |
|
|---|
| 1273 | // Now do a GET since we're going to look in the html headers (and we're sure its not a binary file)
|
|---|
| 1274 | $response = wp_remote_get( $url, array( 'timeout' => 2, 'httpversion' => '1.0' ) );
|
|---|
| 1275 |
|
|---|
| 1276 | if ( is_wp_error( $response ) )
|
|---|
| 1277 | return false;
|
|---|
| 1278 |
|
|---|
| 1279 | $contents = $response['body'];
|
|---|
| 1280 |
|
|---|
| 1281 | $pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
|
|---|
| 1282 | $pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
|
|---|
| 1283 | if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) {
|
|---|
| 1284 | $quote = ($pingback_link_offset_dquote) ? '"' : '\'';
|
|---|
| 1285 | $pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote;
|
|---|
| 1286 | $pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset);
|
|---|
| 1287 | $pingback_href_start = $pingback_href_pos+6;
|
|---|
| 1288 | $pingback_href_end = @strpos($contents, $quote, $pingback_href_start);
|
|---|
| 1289 | $pingback_server_url_len = $pingback_href_end - $pingback_href_start;
|
|---|
| 1290 | $pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len);
|
|---|
| 1291 |
|
|---|
| 1292 | // We may find rel="pingback" but an incomplete pingback URL
|
|---|
| 1293 | if ( $pingback_server_url_len > 0 ) { // We got it!
|
|---|
| 1294 | return $pingback_server_url;
|
|---|
| 1295 | }
|
|---|
| 1296 | }
|
|---|
| 1297 |
|
|---|
| 1298 | return false;
|
|---|
| 1299 | }
|
|---|
| 1300 |
|
|---|
| 1301 | /**
|
|---|
| 1302 | * Perform all pingbacks, enclosures, trackbacks, and send to pingback services.
|
|---|
| 1303 | *
|
|---|
| 1304 | * @since 2.1.0
|
|---|
| 1305 | * @uses $wpdb
|
|---|
| 1306 | */
|
|---|
| 1307 | function do_all_pings() {
|
|---|
| 1308 | global $wpdb;
|
|---|
| 1309 |
|
|---|
| 1310 | // Do pingbacks
|
|---|
| 1311 | while ($ping = $wpdb->get_row("SELECT * FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_pingme' LIMIT 1")) {
|
|---|
| 1312 | $wpdb->query("DELETE FROM {$wpdb->postmeta} WHERE post_id = {$ping->ID} AND meta_key = '_pingme';");
|
|---|
| 1313 | pingback($ping->post_content, $ping->ID);
|
|---|
| 1314 | }
|
|---|
| 1315 |
|
|---|
| 1316 | // Do Enclosures
|
|---|
| 1317 | while ($enclosure = $wpdb->get_row("SELECT * FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_encloseme' LIMIT 1")) {
|
|---|
| 1318 | $wpdb->query( $wpdb->prepare("DELETE FROM {$wpdb->postmeta} WHERE post_id = %d AND meta_key = '_encloseme';", $enclosure->ID) );
|
|---|
| 1319 | do_enclose($enclosure->post_content, $enclosure->ID);
|
|---|
| 1320 | }
|
|---|
| 1321 |
|
|---|
| 1322 | // Do Trackbacks
|
|---|
| 1323 | $trackbacks = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE to_ping <> '' AND post_status = 'publish'");
|
|---|
| 1324 | if ( is_array($trackbacks) )
|
|---|
| 1325 | foreach ( $trackbacks as $trackback )
|
|---|
| 1326 | do_trackbacks($trackback);
|
|---|
| 1327 | }
|
|---|
| 1328 |
|
|---|
| 1329 | /**
|
|---|
| 1330 | * Perform trackbacks.
|
|---|
| 1331 | *
|
|---|
| 1332 | * @since 1.5.0
|
|---|
| 1333 | * @uses $wpdb
|
|---|
| 1334 | *
|
|---|
| 1335 | * @param int $post_id Post ID to do trackbacks on.
|
|---|
| 1336 | */
|
|---|
| 1337 | function do_trackbacks($post_id) {
|
|---|
| 1338 | global $wpdb;
|
|---|
| 1339 |
|
|---|
| 1340 | $post = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id) );
|
|---|
| 1341 | $to_ping = get_to_ping($post_id);
|
|---|
| 1342 | $pinged = get_pung($post_id);
|
|---|
| 1343 | if ( empty($to_ping) ) {
|
|---|
| 1344 | $wpdb->update($wpdb->posts, array('to_ping' => ''), array('ID' => $post_id) );
|
|---|
| 1345 | return;
|
|---|
| 1346 | }
|
|---|
| 1347 |
|
|---|
| 1348 | if ( empty($post->post_excerpt) )
|
|---|
| 1349 | $excerpt = apply_filters('the_content', $post->post_content);
|
|---|
| 1350 | else
|
|---|
| 1351 | $excerpt = apply_filters('the_excerpt', $post->post_excerpt);
|
|---|
| 1352 | $excerpt = str_replace(']]>', ']]>', $excerpt);
|
|---|
| 1353 | $excerpt = wp_html_excerpt($excerpt, 252) . '...';
|
|---|
| 1354 |
|
|---|
| 1355 | $post_title = apply_filters('the_title', $post->post_title);
|
|---|
| 1356 | $post_title = strip_tags($post_title);
|
|---|
| 1357 |
|
|---|
| 1358 | if ( $to_ping ) {
|
|---|
| 1359 | foreach ( (array) $to_ping as $tb_ping ) {
|
|---|
| 1360 | $tb_ping = trim($tb_ping);
|
|---|
| 1361 | if ( !in_array($tb_ping, $pinged) ) {
|
|---|
| 1362 | trackback($tb_ping, $post_title, $excerpt, $post_id);
|
|---|
| 1363 | $pinged[] = $tb_ping;
|
|---|
| 1364 | } else {
|
|---|
| 1365 | $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_ping', '')) WHERE ID = %d", $post_id) );
|
|---|
| 1366 | }
|
|---|
| 1367 | }
|
|---|
| 1368 | }
|
|---|
| 1369 | }
|
|---|
| 1370 |
|
|---|
| 1371 | /**
|
|---|
| 1372 | * Sends pings to all of the ping site services.
|
|---|
| 1373 | *
|
|---|
| 1374 | * @since 1.2.0
|
|---|
| 1375 | *
|
|---|
| 1376 | * @param int $post_id Post ID. Not actually used.
|
|---|
| 1377 | * @return int Same as Post ID from parameter
|
|---|
| 1378 | */
|
|---|
| 1379 | function generic_ping($post_id = 0) {
|
|---|
| 1380 | $services = get_option('ping_sites');
|
|---|
| 1381 |
|
|---|
| 1382 | $services = explode("\n", $services);
|
|---|
| 1383 | foreach ( (array) $services as $service ) {
|
|---|
| 1384 | $service = trim($service);
|
|---|
| 1385 | if ( '' != $service )
|
|---|
| 1386 | weblog_ping($service);
|
|---|
| 1387 | }
|
|---|
| 1388 |
|
|---|
| 1389 | return $post_id;
|
|---|
| 1390 | }
|
|---|
| 1391 |
|
|---|
| 1392 | /**
|
|---|
| 1393 | * Pings back the links found in a post.
|
|---|
| 1394 | *
|
|---|
| 1395 | * @since 0.71
|
|---|
| 1396 | * @uses $wp_version
|
|---|
| 1397 | * @uses IXR_Client
|
|---|
| 1398 | *
|
|---|
| 1399 | * @param string $content Post content to check for links.
|
|---|
| 1400 | * @param int $post_ID Post ID.
|
|---|
| 1401 | */
|
|---|
| 1402 | function pingback($content, $post_ID) {
|
|---|
| 1403 | global $wp_version;
|
|---|
| 1404 | include_once(ABSPATH . WPINC . '/class-IXR.php');
|
|---|
| 1405 |
|
|---|
| 1406 | // original code by Mort (http://mort.mine.nu:8080)
|
|---|
| 1407 | $post_links = array();
|
|---|
| 1408 |
|
|---|
| 1409 | $pung = get_pung($post_ID);
|
|---|
| 1410 |
|
|---|
| 1411 | // Variables
|
|---|
| 1412 | $ltrs = '\w';
|
|---|
| 1413 | $gunk = '/#~:.?+=&%@!\-';
|
|---|
| 1414 | $punc = '.:?\-';
|
|---|
| 1415 | $any = $ltrs . $gunk . $punc;
|
|---|
| 1416 |
|
|---|
| 1417 | // Step 1
|
|---|
| 1418 | // Parsing the post, external links (if any) are stored in the $post_links array
|
|---|
| 1419 | // This regexp comes straight from phpfreaks.com
|
|---|
| 1420 | // http://www.phpfreaks.com/quickcode/Extract_All_URLs_on_a_Page/15.php
|
|---|
| 1421 | preg_match_all("{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp);
|
|---|
| 1422 |
|
|---|
| 1423 | // Step 2.
|
|---|
| 1424 | // Walking thru the links array
|
|---|
| 1425 | // first we get rid of links pointing to sites, not to specific files
|
|---|
| 1426 | // Example:
|
|---|
| 1427 | // http://dummy-weblog.org
|
|---|
| 1428 | // http://dummy-weblog.org/
|
|---|
| 1429 | // http://dummy-weblog.org/post.php
|
|---|
| 1430 | // We don't wanna ping first and second types, even if they have a valid <link/>
|
|---|
| 1431 |
|
|---|
| 1432 | foreach ( (array) $post_links_temp[0] as $link_test ) :
|
|---|
| 1433 | if ( !in_array($link_test, $pung) && (url_to_postid($link_test) != $post_ID) // If we haven't pung it already and it isn't a link to itself
|
|---|
| 1434 | && !is_local_attachment($link_test) ) : // Also, let's never ping local attachments.
|
|---|
| 1435 | if ( $test = @parse_url($link_test) ) {
|
|---|
| 1436 | if ( isset($test['query']) )
|
|---|
| 1437 | $post_links[] = $link_test;
|
|---|
| 1438 | elseif ( ($test['path'] != '/') && ($test['path'] != '') )
|
|---|
| 1439 | $post_links[] = $link_test;
|
|---|
| 1440 | }
|
|---|
| 1441 | endif;
|
|---|
| 1442 | endforeach;
|
|---|
| 1443 |
|
|---|
| 1444 | do_action_ref_array('pre_ping', array(&$post_links, &$pung));
|
|---|
| 1445 |
|
|---|
| 1446 | foreach ( (array) $post_links as $pagelinkedto ) {
|
|---|
| 1447 | $pingback_server_url = discover_pingback_server_uri($pagelinkedto, 2048);
|
|---|
| 1448 |
|
|---|
| 1449 | if ( $pingback_server_url ) {
|
|---|
| 1450 | @ set_time_limit( 60 );
|
|---|
| 1451 | // Now, the RPC call
|
|---|
| 1452 | $pagelinkedfrom = get_permalink($post_ID);
|
|---|
| 1453 |
|
|---|
| 1454 | // using a timeout of 3 seconds should be enough to cover slow servers
|
|---|
| 1455 | $client = new IXR_Client($pingback_server_url);
|
|---|
| 1456 | $client->timeout = 3;
|
|---|
| 1457 | $client->useragent .= ' -- WordPress/' . $wp_version;
|
|---|
| 1458 |
|
|---|
| 1459 | // when set to true, this outputs debug messages by itself
|
|---|
| 1460 | $client->debug = false;
|
|---|
| 1461 |
|
|---|
| 1462 | if ( $client->query('pingback.ping', $pagelinkedfrom, $pagelinkedto) || ( isset($client->error->code) && 48 == $client->error->code ) ) // Already registered
|
|---|
| 1463 | add_ping( $post_ID, $pagelinkedto );
|
|---|
| 1464 | }
|
|---|
| 1465 | }
|
|---|
| 1466 | }
|
|---|
| 1467 |
|
|---|
| 1468 | /**
|
|---|
| 1469 | * Check whether blog is public before returning sites.
|
|---|
| 1470 | *
|
|---|
| 1471 | * @since 2.1.0
|
|---|
| 1472 | *
|
|---|
| 1473 | * @param mixed $sites Will return if blog is public, will not return if not public.
|
|---|
| 1474 | * @return mixed Empty string if blog is not public, returns $sites, if site is public.
|
|---|
| 1475 | */
|
|---|
| 1476 | function privacy_ping_filter($sites) {
|
|---|
| 1477 | if ( '0' != get_option('blog_public') )
|
|---|
| 1478 | return $sites;
|
|---|
| 1479 | else
|
|---|
| 1480 | return '';
|
|---|
| 1481 | }
|
|---|
| 1482 |
|
|---|
| 1483 | /**
|
|---|
| 1484 | * Send a Trackback.
|
|---|
| 1485 | *
|
|---|
| 1486 | * Updates database when sending trackback to prevent duplicates.
|
|---|
| 1487 | *
|
|---|
| 1488 | * @since 0.71
|
|---|
| 1489 | * @uses $wpdb
|
|---|
| 1490 | *
|
|---|
| 1491 | * @param string $trackback_url URL to send trackbacks.
|
|---|
| 1492 | * @param string $title Title of post.
|
|---|
| 1493 | * @param string $excerpt Excerpt of post.
|
|---|
| 1494 | * @param int $ID Post ID.
|
|---|
| 1495 | * @return mixed Database query from update.
|
|---|
| 1496 | */
|
|---|
| 1497 | function trackback($trackback_url, $title, $excerpt, $ID) {
|
|---|
| 1498 | global $wpdb;
|
|---|
| 1499 |
|
|---|
| 1500 | if ( empty($trackback_url) )
|
|---|
| 1501 | return;
|
|---|
| 1502 |
|
|---|
| 1503 | $options = array();
|
|---|
| 1504 | $options['timeout'] = 4;
|
|---|
| 1505 | $options['body'] = array(
|
|---|
| 1506 | 'title' => $title,
|
|---|
| 1507 | 'url' => get_permalink($ID),
|
|---|
| 1508 | 'blog_name' => get_option('blogname'),
|
|---|
| 1509 | 'excerpt' => $excerpt
|
|---|
| 1510 | );
|
|---|
| 1511 |
|
|---|
| 1512 | $response = wp_remote_post($trackback_url, $options);
|
|---|
| 1513 |
|
|---|
| 1514 | if ( is_wp_error( $response ) )
|
|---|
| 1515 | return;
|
|---|
| 1516 |
|
|---|
| 1517 | $tb_url = addslashes( $trackback_url );
|
|---|
| 1518 | $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', '$tb_url') WHERE ID = %d", $ID) );
|
|---|
| 1519 | return $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_url', '')) WHERE ID = %d", $ID) );
|
|---|
| 1520 | }
|
|---|
| 1521 |
|
|---|
| 1522 | /**
|
|---|
| 1523 | * Send a pingback.
|
|---|
| 1524 | *
|
|---|
| 1525 | * @since 1.2.0
|
|---|
| 1526 | * @uses $wp_version
|
|---|
| 1527 | * @uses IXR_Client
|
|---|
| 1528 | *
|
|---|
| 1529 | * @param string $server Host of blog to connect to.
|
|---|
| 1530 | * @param string $path Path to send the ping.
|
|---|
| 1531 | */
|
|---|
| 1532 | function weblog_ping($server = '', $path = '') {
|
|---|
| 1533 | global $wp_version;
|
|---|
| 1534 | include_once(ABSPATH . WPINC . '/class-IXR.php');
|
|---|
| 1535 |
|
|---|
| 1536 | // using a timeout of 3 seconds should be enough to cover slow servers
|
|---|
| 1537 | $client = new IXR_Client($server, ((!strlen(trim($path)) || ('/' == $path)) ? false : $path));
|
|---|
| 1538 | $client->timeout = 3;
|
|---|
| 1539 | $client->useragent .= ' -- WordPress/'.$wp_version;
|
|---|
| 1540 |
|
|---|
| 1541 | // when set to true, this outputs debug messages by itself
|
|---|
| 1542 | $client->debug = false;
|
|---|
| 1543 | $home = trailingslashit( get_option('home') );
|
|---|
| 1544 | if ( !$client->query('weblogUpdates.extendedPing', get_option('blogname'), $home, get_bloginfo('rss2_url') ) ) // then try a normal ping
|
|---|
| 1545 | $client->query('weblogUpdates.ping', get_option('blogname'), $home);
|
|---|
| 1546 | }
|
|---|
| 1547 |
|
|---|
| 1548 | //
|
|---|
| 1549 | // Cache
|
|---|
| 1550 | //
|
|---|
| 1551 |
|
|---|
| 1552 | /**
|
|---|
| 1553 | * Removes comment ID from the comment cache.
|
|---|
| 1554 | *
|
|---|
| 1555 | * @since 2.3.0
|
|---|
| 1556 | * @package WordPress
|
|---|
| 1557 | * @subpackage Cache
|
|---|
| 1558 | *
|
|---|
| 1559 | * @param int|array $id Comment ID or array of comment IDs to remove from cache
|
|---|
| 1560 | */
|
|---|
| 1561 | function clean_comment_cache($ids) {
|
|---|
| 1562 | foreach ( (array) $ids as $id )
|
|---|
| 1563 | wp_cache_delete($id, 'comment');
|
|---|
| 1564 | }
|
|---|
| 1565 |
|
|---|
| 1566 | /**
|
|---|
| 1567 | * Updates the comment cache of given comments.
|
|---|
| 1568 | *
|
|---|
| 1569 | * Will add the comments in $comments to the cache. If comment ID already exists
|
|---|
| 1570 | * in the comment cache then it will not be updated. The comment is added to the
|
|---|
| 1571 | * cache using the comment group with the key using the ID of the comments.
|
|---|
| 1572 | *
|
|---|
| 1573 | * @since 2.3.0
|
|---|
| 1574 | * @package WordPress
|
|---|
| 1575 | * @subpackage Cache
|
|---|
| 1576 | *
|
|---|
| 1577 | * @param array $comments Array of comment row objects
|
|---|
| 1578 | */
|
|---|
| 1579 | function update_comment_cache($comments) {
|
|---|
| 1580 | foreach ( (array) $comments as $comment )
|
|---|
| 1581 | wp_cache_add($comment->comment_ID, $comment, 'comment');
|
|---|
| 1582 | }
|
|---|
| 1583 |
|
|---|
| 1584 | //
|
|---|
| 1585 | // Internal
|
|---|
| 1586 | //
|
|---|
| 1587 |
|
|---|
| 1588 | /**
|
|---|
| 1589 | * Close comments on old posts on the fly, without any extra DB queries. Hooked to the_posts.
|
|---|
| 1590 | *
|
|---|
| 1591 | * @access private
|
|---|
| 1592 | * @since 2.7.0
|
|---|
| 1593 | *
|
|---|
| 1594 | * @param object $posts Post data object.
|
|---|
| 1595 | * @return object
|
|---|
| 1596 | */
|
|---|
| 1597 | function _close_comments_for_old_posts( $posts ) {
|
|---|
| 1598 | if ( empty($posts) || !is_singular() || !get_option('close_comments_for_old_posts') )
|
|---|
| 1599 | return $posts;
|
|---|
| 1600 |
|
|---|
| 1601 | $days_old = (int) get_option('close_comments_days_old');
|
|---|
| 1602 | if ( !$days_old )
|
|---|
| 1603 | return $posts;
|
|---|
| 1604 |
|
|---|
| 1605 | if ( time() - strtotime( $posts[0]->post_date_gmt ) > ( $days_old * 24 * 60 * 60 ) ) {
|
|---|
| 1606 | $posts[0]->comment_status = 'closed';
|
|---|
| 1607 | $posts[0]->ping_status = 'closed';
|
|---|
| 1608 | }
|
|---|
| 1609 |
|
|---|
| 1610 | return $posts;
|
|---|
| 1611 | }
|
|---|
| 1612 |
|
|---|
| 1613 | /**
|
|---|
| 1614 | * Close comments on an old post. Hooked to comments_open and pings_open.
|
|---|
| 1615 | *
|
|---|
| 1616 | * @access private
|
|---|
| 1617 | * @since 2.7.0
|
|---|
| 1618 | *
|
|---|
| 1619 | * @param bool $open Comments open or closed
|
|---|
| 1620 | * @param int $post_id Post ID
|
|---|
| 1621 | * @return bool $open
|
|---|
| 1622 | */
|
|---|
| 1623 | function _close_comments_for_old_post( $open, $post_id ) {
|
|---|
| 1624 | if ( ! $open )
|
|---|
| 1625 | return $open;
|
|---|
| 1626 |
|
|---|
| 1627 | if ( !get_option('close_comments_for_old_posts') )
|
|---|
| 1628 | return $open;
|
|---|
| 1629 |
|
|---|
| 1630 | $days_old = (int) get_option('close_comments_days_old');
|
|---|
| 1631 | if ( !$days_old )
|
|---|
| 1632 | return $open;
|
|---|
| 1633 |
|
|---|
| 1634 | $post = get_post($post_id);
|
|---|
| 1635 |
|
|---|
| 1636 | if ( time() - strtotime( $post->post_date_gmt ) > ( $days_old * 24 * 60 * 60 ) )
|
|---|
| 1637 | return false;
|
|---|
| 1638 |
|
|---|
| 1639 | return $open;
|
|---|
| 1640 | }
|
|---|
| 1641 |
|
|---|
| 1642 | ?>
|
|---|
