[44] | 1 | <?php
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| 2 | /**
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| 3 | * WordPress Link Template Functions
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| 4 | *
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| 5 | * @package WordPress
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| 6 | * @subpackage Template
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| 7 | */
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| 8 |
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| 9 | /**
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| 10 | * Display the permalink for the current post.
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| 11 | *
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| 12 | * @since 1.2.0
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| 13 | * @uses apply_filters() Calls 'the_permalink' filter on the permalink string.
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| 14 | */
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| 15 | function the_permalink() {
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| 16 | echo apply_filters('the_permalink', get_permalink());
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| 17 | }
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| 18 |
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| 19 | /**
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| 20 | * Retrieve trailing slash string, if blog set for adding trailing slashes.
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| 21 | *
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| 22 | * Conditionally adds a trailing slash if the permalink structure has a trailing
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| 23 | * slash, strips the trailing slash if not. The string is passed through the
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| 24 | * 'user_trailingslashit' filter. Will remove trailing slash from string, if
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| 25 | * blog is not set to have them.
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| 26 | *
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| 27 | * @since 2.2.0
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| 28 | * @uses $wp_rewrite
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| 29 | *
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| 30 | * @param $string String a URL with or without a trailing slash.
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| 31 | * @param $type_of_url String the type of URL being considered (e.g. single, category, etc) for use in the filter.
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| 32 | * @return string
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| 33 | */
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| 34 | function user_trailingslashit($string, $type_of_url = '') {
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| 35 | global $wp_rewrite;
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| 36 | if ( $wp_rewrite->use_trailing_slashes )
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| 37 | $string = trailingslashit($string);
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| 38 | else
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| 39 | $string = untrailingslashit($string);
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| 40 |
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| 41 | // Note that $type_of_url can be one of following:
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| 42 | // single, single_trackback, single_feed, single_paged, feed, category, page, year, month, day, paged
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| 43 | $string = apply_filters('user_trailingslashit', $string, $type_of_url);
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| 44 | return $string;
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| 45 | }
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| 46 |
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| 47 | /**
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| 48 | * Display permalink anchor for current post.
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| 49 | *
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| 50 | * The permalink mode title will use the post title for the 'a' element 'id'
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| 51 | * attribute. The id mode uses 'post-' with the post ID for the 'id' attribute.
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| 52 | *
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| 53 | * @since 0.71
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| 54 | *
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| 55 | * @param string $mode Permalink mode can be either 'title', 'id', or default, which is 'id'.
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| 56 | */
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| 57 | function permalink_anchor($mode = 'id') {
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| 58 | global $post;
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| 59 | switch ( strtolower($mode) ) {
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| 60 | case 'title':
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| 61 | $title = sanitize_title($post->post_title) . '-' . $post->ID;
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| 62 | echo '<a id="'.$title.'"></a>';
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| 63 | break;
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| 64 | case 'id':
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| 65 | default:
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| 66 | echo '<a id="post-' . $post->ID . '"></a>';
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| 67 | break;
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| 68 | }
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| 69 | }
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| 70 |
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| 71 | /**
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| 72 | * Retrieve full permalink for current post or post ID.
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| 73 | *
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| 74 | * @since 1.0.0
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| 75 | *
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| 76 | * @param int $id Optional. Post ID.
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| 77 | * @param bool $leavename Optional, defaults to false. Whether to keep post name or page name.
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| 78 | * @return string
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| 79 | */
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| 80 | function get_permalink($id = 0, $leavename = false) {
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| 81 | $rewritecode = array(
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| 82 | '%year%',
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| 83 | '%monthnum%',
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| 84 | '%day%',
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| 85 | '%hour%',
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| 86 | '%minute%',
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| 87 | '%second%',
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| 88 | $leavename? '' : '%postname%',
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| 89 | '%post_id%',
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| 90 | '%category%',
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| 91 | '%author%',
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| 92 | $leavename? '' : '%pagename%',
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| 93 | );
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| 94 |
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| 95 | if ( is_object($id) && isset($id->filter) && 'sample' == $id->filter ) {
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| 96 | $post = $id;
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| 97 | $sample = true;
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| 98 | } else {
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| 99 | $post = &get_post($id);
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| 100 | $sample = false;
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| 101 | }
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| 102 |
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| 103 | if ( empty($post->ID) ) return false;
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| 104 |
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| 105 | if ( $post->post_type == 'page' )
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| 106 | return get_page_link($post->ID, $leavename, $sample);
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| 107 | elseif ($post->post_type == 'attachment')
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| 108 | return get_attachment_link($post->ID);
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| 109 |
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| 110 | $permalink = get_option('permalink_structure');
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| 111 |
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| 112 | if ( '' != $permalink && !in_array($post->post_status, array('draft', 'pending')) ) {
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| 113 | $unixtime = strtotime($post->post_date);
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| 114 |
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| 115 | $category = '';
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| 116 | if ( strpos($permalink, '%category%') !== false ) {
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| 117 | $cats = get_the_category($post->ID);
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| 118 | if ( $cats ) {
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| 119 | usort($cats, '_usort_terms_by_ID'); // order by ID
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| 120 | $category = $cats[0]->slug;
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| 121 | if ( $parent = $cats[0]->parent )
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| 122 | $category = get_category_parents($parent, false, '/', true) . $category;
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| 123 | }
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| 124 | // show default category in permalinks, without
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| 125 | // having to assign it explicitly
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| 126 | if ( empty($category) ) {
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| 127 | $default_category = get_category( get_option( 'default_category' ) );
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| 128 | $category = is_wp_error( $default_category ) ? '' : $default_category->slug;
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| 129 | }
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| 130 | }
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| 131 |
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| 132 | $author = '';
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| 133 | if ( strpos($permalink, '%author%') !== false ) {
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| 134 | $authordata = get_userdata($post->post_author);
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| 135 | $author = $authordata->user_nicename;
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| 136 | }
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| 137 |
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| 138 | $date = explode(" ",date('Y m d H i s', $unixtime));
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| 139 | $rewritereplace =
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| 140 | array(
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| 141 | $date[0],
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| 142 | $date[1],
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| 143 | $date[2],
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| 144 | $date[3],
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| 145 | $date[4],
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| 146 | $date[5],
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| 147 | $post->post_name,
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| 148 | $post->ID,
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| 149 | $category,
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| 150 | $author,
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| 151 | $post->post_name,
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| 152 | );
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| 153 | $permalink = get_option('home') . str_replace($rewritecode, $rewritereplace, $permalink);
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| 154 | $permalink = user_trailingslashit($permalink, 'single');
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| 155 | return apply_filters('post_link', $permalink, $post, $leavename);
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| 156 | } else { // if they're not using the fancy permalink option
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| 157 | $permalink = trailingslashit(get_option('home')) . '?p=' . $post->ID;
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| 158 | return apply_filters('post_link', $permalink, $post, $leavename);
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| 159 | }
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| 160 | }
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| 161 |
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| 162 | /**
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| 163 | * Retrieve permalink from post ID.
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| 164 | *
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| 165 | * @since 1.0.0
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| 166 | *
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| 167 | * @param int $post_id Optional. Post ID.
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| 168 | * @param mixed $deprecated Not used.
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| 169 | * @return string
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| 170 | */
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| 171 | function post_permalink($post_id = 0, $deprecated = '') {
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| 172 | return get_permalink($post_id);
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| 173 | }
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| 174 |
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| 175 | /**
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| 176 | * Retrieve the permalink for current page or page ID.
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| 177 | *
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| 178 | * Respects page_on_front. Use this one.
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| 179 | *
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| 180 | * @since 1.5.0
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| 181 | *
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| 182 | * @param int $id Optional. Post ID.
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| 183 | * @param bool $leavename Optional, defaults to false. Whether to keep page name.
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| 184 | * @param bool $sample Optional, defaults to false. Is it a sample permalink.
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| 185 | * @return string
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| 186 | */
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| 187 | function get_page_link( $id = false, $leavename = false, $sample = false ) {
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| 188 | global $post;
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| 189 |
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| 190 | $id = (int) $id;
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| 191 | if ( !$id )
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| 192 | $id = (int) $post->ID;
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| 193 |
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| 194 | if ( 'page' == get_option('show_on_front') && $id == get_option('page_on_front') )
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| 195 | $link = get_option('home');
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| 196 | else
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| 197 | $link = _get_page_link( $id , $leavename, $sample );
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| 198 |
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| 199 | return apply_filters('page_link', $link, $id);
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| 200 | }
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| 201 |
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| 202 | /**
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| 203 | * Retrieve the page permalink.
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| 204 | *
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| 205 | * Ignores page_on_front. Internal use only.
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| 206 | *
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| 207 | * @since 2.1.0
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| 208 | * @access private
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| 209 | *
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| 210 | * @param int $id Optional. Post ID.
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| 211 | * @param bool $leavename Optional. Leave name.
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| 212 | * @param bool $sample Optional. Sample permalink.
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| 213 | * @return string
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| 214 | */
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| 215 | function _get_page_link( $id = false, $leavename = false, $sample = false ) {
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| 216 | global $post, $wp_rewrite;
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| 217 |
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| 218 | if ( !$id )
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| 219 | $id = (int) $post->ID;
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| 220 | else
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| 221 | $post = &get_post($id);
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| 222 |
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| 223 | $pagestruct = $wp_rewrite->get_page_permastruct();
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| 224 |
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| 225 | if ( '' != $pagestruct && ( ( isset($post->post_status) && 'draft' != $post->post_status ) || $sample ) ) {
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| 226 | $link = get_page_uri($id);
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| 227 | $link = ( $leavename ) ? $pagestruct : str_replace('%pagename%', $link, $pagestruct);
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| 228 | $link = trailingslashit(get_option('home')) . "$link";
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| 229 | $link = user_trailingslashit($link, 'page');
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| 230 | } else {
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| 231 | $link = trailingslashit(get_option('home')) . "?page_id=$id";
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| 232 | }
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| 233 |
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| 234 | return apply_filters( '_get_page_link', $link, $id );
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| 235 | }
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| 236 |
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| 237 | /**
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| 238 | * Retrieve permalink for attachment.
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| 239 | *
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| 240 | * This can be used in the WordPress Loop or outside of it.
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| 241 | *
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| 242 | * @since 2.0.0
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| 243 | *
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| 244 | * @param int $id Optional. Post ID.
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| 245 | * @return string
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| 246 | */
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| 247 | function get_attachment_link($id = false) {
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| 248 | global $post, $wp_rewrite;
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| 249 |
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| 250 | $link = false;
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| 251 |
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| 252 | if (! $id) {
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| 253 | $id = (int) $post->ID;
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| 254 | }
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| 255 |
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| 256 | $object = get_post($id);
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| 257 | if ( $wp_rewrite->using_permalinks() && ($object->post_parent > 0) && ($object->post_parent != $id) ) {
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| 258 | $parent = get_post($object->post_parent);
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| 259 | if ( 'page' == $parent->post_type )
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| 260 | $parentlink = _get_page_link( $object->post_parent ); // Ignores page_on_front
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| 261 | else
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| 262 | $parentlink = get_permalink( $object->post_parent );
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| 263 | if ( is_numeric($object->post_name) || false !== strpos(get_option('permalink_structure'), '%category%') )
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| 264 | $name = 'attachment/' . $object->post_name; // <permalink>/<int>/ is paged so we use the explicit attachment marker
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| 265 | else
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| 266 | $name = $object->post_name;
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| 267 | if (strpos($parentlink, '?') === false)
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| 268 | $link = user_trailingslashit( trailingslashit($parentlink) . $name );
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| 269 | }
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| 270 |
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| 271 | if (! $link ) {
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| 272 | $link = trailingslashit(get_bloginfo('url')) . "?attachment_id=$id";
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| 273 | }
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| 274 |
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| 275 | return apply_filters('attachment_link', $link, $id);
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| 276 | }
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| 277 |
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| 278 | /**
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| 279 | * Retrieve the permalink for the year archives.
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| 280 | *
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| 281 | * @since 1.5.0
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| 282 | *
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| 283 | * @param int|bool $year False for current year or year for permalink.
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| 284 | * @return string
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| 285 | */
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| 286 | function get_year_link($year) {
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| 287 | global $wp_rewrite;
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| 288 | if ( !$year )
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| 289 | $year = gmdate('Y', time()+(get_option('gmt_offset') * 3600));
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| 290 | $yearlink = $wp_rewrite->get_year_permastruct();
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| 291 | if ( !empty($yearlink) ) {
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| 292 | $yearlink = str_replace('%year%', $year, $yearlink);
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| 293 | return apply_filters('year_link', get_option('home') . user_trailingslashit($yearlink, 'year'), $year);
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| 294 | } else {
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| 295 | return apply_filters('year_link', trailingslashit(get_option('home')) . '?m=' . $year, $year);
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| 296 | }
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| 297 | }
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| 298 |
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| 299 | /**
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| 300 | * Retrieve the permalink for the month archives with year.
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| 301 | *
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| 302 | * @since 1.0.0
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| 303 | *
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| 304 | * @param bool|int $year False for current year. Integer of year.
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| 305 | * @param bool|int $month False for current month. Integer of month.
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| 306 | * @return string
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| 307 | */
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| 308 | function get_month_link($year, $month) {
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| 309 | global $wp_rewrite;
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| 310 | if ( !$year )
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| 311 | $year = gmdate('Y', time()+(get_option('gmt_offset') * 3600));
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| 312 | if ( !$month )
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| 313 | $month = gmdate('m', time()+(get_option('gmt_offset') * 3600));
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| 314 | $monthlink = $wp_rewrite->get_month_permastruct();
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| 315 | if ( !empty($monthlink) ) {
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| 316 | $monthlink = str_replace('%year%', $year, $monthlink);
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| 317 | $monthlink = str_replace('%monthnum%', zeroise(intval($month), 2), $monthlink);
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| 318 | return apply_filters('month_link', get_option('home') . user_trailingslashit($monthlink, 'month'), $year, $month);
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| 319 | } else {
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| 320 | return apply_filters('month_link', trailingslashit(get_option('home')) . '?m=' . $year . zeroise($month, 2), $year, $month);
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| 321 | }
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| 322 | }
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| 323 |
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| 324 | /**
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| 325 | * Retrieve the permalink for the day archives with year and month.
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| 326 | *
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| 327 | * @since 1.0.0
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| 328 | *
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| 329 | * @param bool|int $year False for current year. Integer of year.
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| 330 | * @param bool|int $month False for current month. Integer of month.
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| 331 | * @param bool|int $day False for current day. Integer of day.
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| 332 | * @return string
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| 333 | */
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| 334 | function get_day_link($year, $month, $day) {
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| 335 | global $wp_rewrite;
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| 336 | if ( !$year )
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| 337 | $year = gmdate('Y', time()+(get_option('gmt_offset') * 3600));
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| 338 | if ( !$month )
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| 339 | $month = gmdate('m', time()+(get_option('gmt_offset') * 3600));
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| 340 | if ( !$day )
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| 341 | $day = gmdate('j', time()+(get_option('gmt_offset') * 3600));
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| 342 |
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| 343 | $daylink = $wp_rewrite->get_day_permastruct();
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| 344 | if ( !empty($daylink) ) {
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| 345 | $daylink = str_replace('%year%', $year, $daylink);
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| 346 | $daylink = str_replace('%monthnum%', zeroise(intval($month), 2), $daylink);
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| 347 | $daylink = str_replace('%day%', zeroise(intval($day), 2), $daylink);
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| 348 | return apply_filters('day_link', get_option('home') . user_trailingslashit($daylink, 'day'), $year, $month, $day);
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| 349 | } else {
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| 350 | return apply_filters('day_link', trailingslashit(get_option('home')) . '?m=' . $year . zeroise($month, 2) . zeroise($day, 2), $year, $month, $day);
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| 351 | }
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| 352 | }
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| 353 |
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| 354 | /**
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| 355 | * Retrieve the permalink for the feed type.
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| 356 | *
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| 357 | * @since 1.5.0
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| 358 | *
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| 359 | * @param string $feed Optional, defaults to default feed. Feed type.
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| 360 | * @return string
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| 361 | */
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| 362 | function get_feed_link($feed = '') {
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| 363 | global $wp_rewrite;
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| 364 |
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| 365 | $permalink = $wp_rewrite->get_feed_permastruct();
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| 366 | if ( '' != $permalink ) {
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| 367 | if ( false !== strpos($feed, 'comments_') ) {
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| 368 | $feed = str_replace('comments_', '', $feed);
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| 369 | $permalink = $wp_rewrite->get_comment_feed_permastruct();
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| 370 | }
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| 371 |
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| 372 | if ( get_default_feed() == $feed )
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| 373 | $feed = '';
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| 374 |
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| 375 | $permalink = str_replace('%feed%', $feed, $permalink);
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| 376 | $permalink = preg_replace('#/+#', '/', "/$permalink");
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| 377 | $output = get_option('home') . user_trailingslashit($permalink, 'feed');
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| 378 | } else {
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| 379 | if ( empty($feed) )
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| 380 | $feed = get_default_feed();
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| 381 |
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| 382 | if ( false !== strpos($feed, 'comments_') )
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| 383 | $feed = str_replace('comments_', 'comments-', $feed);
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| 384 |
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| 385 | $output = trailingslashit(get_option('home')) . "?feed={$feed}";
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| 386 | }
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| 387 |
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| 388 | return apply_filters('feed_link', $output, $feed);
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| 389 | }
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| 390 |
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| 391 | /**
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| 392 | * Retrieve the permalink for the post comments feed.
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| 393 | *
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| 394 | * @since 2.2.0
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| 395 | *
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| 396 | * @param int $post_id Optional. Post ID.
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| 397 | * @param string $feed Optional. Feed type.
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| 398 | * @return string
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| 399 | */
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| 400 | function get_post_comments_feed_link($post_id = '', $feed = '') {
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| 401 | global $id;
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| 402 |
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| 403 | if ( empty($post_id) )
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| 404 | $post_id = (int) $id;
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| 405 |
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| 406 | if ( empty($feed) )
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| 407 | $feed = get_default_feed();
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| 408 |
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| 409 | if ( '' != get_option('permalink_structure') ) {
|
---|
| 410 | $url = trailingslashit( get_permalink($post_id) ) . 'feed';
|
---|
| 411 | if ( $feed != get_default_feed() )
|
---|
| 412 | $url .= "/$feed";
|
---|
| 413 | $url = user_trailingslashit($url, 'single_feed');
|
---|
| 414 | } else {
|
---|
| 415 | $type = get_post_field('post_type', $post_id);
|
---|
| 416 | if ( 'page' == $type )
|
---|
| 417 | $url = trailingslashit(get_option('home')) . "?feed=$feed&page_id=$post_id";
|
---|
| 418 | else
|
---|
| 419 | $url = trailingslashit(get_option('home')) . "?feed=$feed&p=$post_id";
|
---|
| 420 | }
|
---|
| 421 |
|
---|
| 422 | return apply_filters('post_comments_feed_link', $url);
|
---|
| 423 | }
|
---|
| 424 |
|
---|
| 425 | /**
|
---|
| 426 | * Display the comment feed link for a post.
|
---|
| 427 | *
|
---|
| 428 | * Prints out the comment feed link for a post. Link text is placed in the
|
---|
| 429 | * anchor. If no link text is specified, default text is used. If no post ID is
|
---|
| 430 | * specified, the current post is used.
|
---|
| 431 | *
|
---|
| 432 | * @package WordPress
|
---|
| 433 | * @subpackage Feed
|
---|
| 434 | * @since 2.5.0
|
---|
| 435 | *
|
---|
| 436 | * @param string $link_text Descriptive text.
|
---|
| 437 | * @param int $post_id Optional post ID. Default to current post.
|
---|
| 438 | * @param string $feed Optional. Feed format.
|
---|
| 439 | * @return string Link to the comment feed for the current post.
|
---|
| 440 | */
|
---|
| 441 | function post_comments_feed_link( $link_text = '', $post_id = '', $feed = '' ) {
|
---|
| 442 | $url = get_post_comments_feed_link($post_id, $feed);
|
---|
| 443 | if ( empty($link_text) )
|
---|
| 444 | $link_text = __('Comments Feed');
|
---|
| 445 |
|
---|
| 446 | echo apply_filters( 'post_comments_feed_link_html', "<a href='$url'>$link_text</a>", $post_id, $feed );
|
---|
| 447 | }
|
---|
| 448 |
|
---|
| 449 | /**
|
---|
| 450 | * Retrieve the feed link for a given author.
|
---|
| 451 | *
|
---|
| 452 | * Returns a link to the feed for all posts by a given author. A specific feed
|
---|
| 453 | * can be requested or left blank to get the default feed.
|
---|
| 454 | *
|
---|
| 455 | * @package WordPress
|
---|
| 456 | * @subpackage Feed
|
---|
| 457 | * @since 2.5.0
|
---|
| 458 | *
|
---|
| 459 | * @param int $author_id ID of an author.
|
---|
| 460 | * @param string $feed Optional. Feed type.
|
---|
| 461 | * @return string Link to the feed for the author specified by $author_id.
|
---|
| 462 | */
|
---|
| 463 | function get_author_feed_link( $author_id, $feed = '' ) {
|
---|
| 464 | $author_id = (int) $author_id;
|
---|
| 465 | $permalink_structure = get_option('permalink_structure');
|
---|
| 466 |
|
---|
| 467 | if ( empty($feed) )
|
---|
| 468 | $feed = get_default_feed();
|
---|
| 469 |
|
---|
| 470 | if ( '' == $permalink_structure ) {
|
---|
| 471 | $link = trailingslashit(get_option('home')) . "?feed=$feed&author=" . $author_id;
|
---|
| 472 | } else {
|
---|
| 473 | $link = get_author_posts_url($author_id);
|
---|
| 474 | if ( $feed == get_default_feed() )
|
---|
| 475 | $feed_link = 'feed';
|
---|
| 476 | else
|
---|
| 477 | $feed_link = "feed/$feed";
|
---|
| 478 |
|
---|
| 479 | $link = trailingslashit($link) . user_trailingslashit($feed_link, 'feed');
|
---|
| 480 | }
|
---|
| 481 |
|
---|
| 482 | $link = apply_filters('author_feed_link', $link, $feed);
|
---|
| 483 |
|
---|
| 484 | return $link;
|
---|
| 485 | }
|
---|
| 486 |
|
---|
| 487 | /**
|
---|
| 488 | * Retrieve the feed link for a category.
|
---|
| 489 | *
|
---|
| 490 | * Returns a link to the feed for all post in a given category. A specific feed
|
---|
| 491 | * can be requested or left blank to get the default feed.
|
---|
| 492 | *
|
---|
| 493 | * @package WordPress
|
---|
| 494 | * @subpackage Feed
|
---|
| 495 | * @since 2.5.0
|
---|
| 496 | *
|
---|
| 497 | * @param int $cat_id ID of a category.
|
---|
| 498 | * @param string $feed Optional. Feed type.
|
---|
| 499 | * @return string Link to the feed for the category specified by $cat_id.
|
---|
| 500 | */
|
---|
| 501 | function get_category_feed_link($cat_id, $feed = '') {
|
---|
| 502 | $cat_id = (int) $cat_id;
|
---|
| 503 |
|
---|
| 504 | $category = get_category($cat_id);
|
---|
| 505 |
|
---|
| 506 | if ( empty($category) || is_wp_error($category) )
|
---|
| 507 | return false;
|
---|
| 508 |
|
---|
| 509 | if ( empty($feed) )
|
---|
| 510 | $feed = get_default_feed();
|
---|
| 511 |
|
---|
| 512 | $permalink_structure = get_option('permalink_structure');
|
---|
| 513 |
|
---|
| 514 | if ( '' == $permalink_structure ) {
|
---|
| 515 | $link = trailingslashit(get_option('home')) . "?feed=$feed&cat=" . $cat_id;
|
---|
| 516 | } else {
|
---|
| 517 | $link = get_category_link($cat_id);
|
---|
| 518 | if( $feed == get_default_feed() )
|
---|
| 519 | $feed_link = 'feed';
|
---|
| 520 | else
|
---|
| 521 | $feed_link = "feed/$feed";
|
---|
| 522 |
|
---|
| 523 | $link = trailingslashit($link) . user_trailingslashit($feed_link, 'feed');
|
---|
| 524 | }
|
---|
| 525 |
|
---|
| 526 | $link = apply_filters('category_feed_link', $link, $feed);
|
---|
| 527 |
|
---|
| 528 | return $link;
|
---|
| 529 | }
|
---|
| 530 |
|
---|
| 531 | /**
|
---|
| 532 | * Retrieve permalink for feed of tag.
|
---|
| 533 | *
|
---|
| 534 | * @since 2.3.0
|
---|
| 535 | *
|
---|
| 536 | * @param int $tag_id Tag ID.
|
---|
| 537 | * @param string $feed Optional. Feed type.
|
---|
| 538 | * @return string
|
---|
| 539 | */
|
---|
| 540 | function get_tag_feed_link($tag_id, $feed = '') {
|
---|
| 541 | $tag_id = (int) $tag_id;
|
---|
| 542 |
|
---|
| 543 | $tag = get_tag($tag_id);
|
---|
| 544 |
|
---|
| 545 | if ( empty($tag) || is_wp_error($tag) )
|
---|
| 546 | return false;
|
---|
| 547 |
|
---|
| 548 | $permalink_structure = get_option('permalink_structure');
|
---|
| 549 |
|
---|
| 550 | if ( empty($feed) )
|
---|
| 551 | $feed = get_default_feed();
|
---|
| 552 |
|
---|
| 553 | if ( '' == $permalink_structure ) {
|
---|
| 554 | $link = trailingslashit(get_option('home')) . "?feed=$feed&tag=" . $tag->slug;
|
---|
| 555 | } else {
|
---|
| 556 | $link = get_tag_link($tag->term_id);
|
---|
| 557 | if ( $feed == get_default_feed() )
|
---|
| 558 | $feed_link = 'feed';
|
---|
| 559 | else
|
---|
| 560 | $feed_link = "feed/$feed";
|
---|
| 561 | $link = trailingslashit($link) . user_trailingslashit($feed_link, 'feed');
|
---|
| 562 | }
|
---|
| 563 |
|
---|
| 564 | $link = apply_filters('tag_feed_link', $link, $feed);
|
---|
| 565 |
|
---|
| 566 | return $link;
|
---|
| 567 | }
|
---|
| 568 |
|
---|
| 569 | /**
|
---|
| 570 | * Retrieve edit tag link.
|
---|
| 571 | *
|
---|
| 572 | * @since 2.7.0
|
---|
| 573 | *
|
---|
| 574 | * @param int $tag_id Tag ID
|
---|
| 575 | * @return string
|
---|
| 576 | */
|
---|
| 577 | function get_edit_tag_link( $tag_id = 0, $taxonomy = 'post_tag' ) {
|
---|
| 578 | $tag = get_term($tag_id, $taxonomy);
|
---|
| 579 |
|
---|
| 580 | if ( !current_user_can('manage_categories') )
|
---|
| 581 | return;
|
---|
| 582 |
|
---|
| 583 | $location = admin_url('edit-tags.php?action=edit&taxonomy=' . $taxonomy . '&tag_ID=' . $tag->term_id);
|
---|
| 584 | return apply_filters( 'get_edit_tag_link', $location );
|
---|
| 585 | }
|
---|
| 586 |
|
---|
| 587 | /**
|
---|
| 588 | * Display or retrieve edit tag link with formatting.
|
---|
| 589 | *
|
---|
| 590 | * @since 2.7.0
|
---|
| 591 | *
|
---|
| 592 | * @param string $link Optional. Anchor text.
|
---|
| 593 | * @param string $before Optional. Display before edit link.
|
---|
| 594 | * @param string $after Optional. Display after edit link.
|
---|
| 595 | * @param int|object $tag Tag object or ID
|
---|
| 596 | * @return string|null HTML content, if $echo is set to false.
|
---|
| 597 | */
|
---|
| 598 | function edit_tag_link( $link = '', $before = '', $after = '', $tag = null ) {
|
---|
| 599 | $tag = get_term($tag, 'post_tag');
|
---|
| 600 |
|
---|
| 601 | if ( !current_user_can('manage_categories') )
|
---|
| 602 | return;
|
---|
| 603 |
|
---|
| 604 | if ( empty($link) )
|
---|
| 605 | $link = __('Edit This');
|
---|
| 606 |
|
---|
| 607 | $link = '<a href="' . get_edit_tag_link( $tag->term_id ) . '" title="' . __( 'Edit tag' ) . '">' . $link . '</a>';
|
---|
| 608 | echo $before . apply_filters( 'edit_tag_link', $link, $tag->term_id ) . $after;
|
---|
| 609 | }
|
---|
| 610 |
|
---|
| 611 | /**
|
---|
| 612 | * Retrieve the permalink for the feed of the search results.
|
---|
| 613 | *
|
---|
| 614 | * @since 2.5.0
|
---|
| 615 | *
|
---|
| 616 | * @param string $search_query Optional. Search query.
|
---|
| 617 | * @param string $feed Optional. Feed type.
|
---|
| 618 | * @return string
|
---|
| 619 | */
|
---|
| 620 | function get_search_feed_link($search_query = '', $feed = '') {
|
---|
| 621 | if ( empty($search_query) )
|
---|
| 622 | $search = esc_attr(get_search_query());
|
---|
| 623 | else
|
---|
| 624 | $search = esc_attr(stripslashes($search_query));
|
---|
| 625 |
|
---|
| 626 | if ( empty($feed) )
|
---|
| 627 | $feed = get_default_feed();
|
---|
| 628 |
|
---|
| 629 | $link = trailingslashit(get_option('home')) . "?s=$search&feed=$feed";
|
---|
| 630 |
|
---|
| 631 | $link = apply_filters('search_feed_link', $link);
|
---|
| 632 |
|
---|
| 633 | return $link;
|
---|
| 634 | }
|
---|
| 635 |
|
---|
| 636 | /**
|
---|
| 637 | * Retrieve the permalink for the comments feed of the search results.
|
---|
| 638 | *
|
---|
| 639 | * @since 2.5.0
|
---|
| 640 | *
|
---|
| 641 | * @param string $search_query Optional. Search query.
|
---|
| 642 | * @param string $feed Optional. Feed type.
|
---|
| 643 | * @return string
|
---|
| 644 | */
|
---|
| 645 | function get_search_comments_feed_link($search_query = '', $feed = '') {
|
---|
| 646 | if ( empty($search_query) )
|
---|
| 647 | $search = esc_attr(get_search_query());
|
---|
| 648 | else
|
---|
| 649 | $search = esc_attr(stripslashes($search_query));
|
---|
| 650 |
|
---|
| 651 | if ( empty($feed) )
|
---|
| 652 | $feed = get_default_feed();
|
---|
| 653 |
|
---|
| 654 | $link = trailingslashit(get_option('home')) . "?s=$search&feed=comments-$feed";
|
---|
| 655 |
|
---|
| 656 | $link = apply_filters('search_feed_link', $link);
|
---|
| 657 |
|
---|
| 658 | return $link;
|
---|
| 659 | }
|
---|
| 660 |
|
---|
| 661 | /**
|
---|
| 662 | * Retrieve edit posts link for post.
|
---|
| 663 | *
|
---|
| 664 | * Can be used within the WordPress loop or outside of it. Can be used with
|
---|
| 665 | * pages, posts, attachments, and revisions.
|
---|
| 666 | *
|
---|
| 667 | * @since 2.3.0
|
---|
| 668 | *
|
---|
| 669 | * @param int $id Optional. Post ID.
|
---|
| 670 | * @param string $context Optional, default to display. How to write the '&', defaults to '&'.
|
---|
| 671 | * @return string
|
---|
| 672 | */
|
---|
| 673 | function get_edit_post_link( $id = 0, $context = 'display' ) {
|
---|
| 674 | if ( !$post = &get_post( $id ) )
|
---|
| 675 | return;
|
---|
| 676 |
|
---|
| 677 | if ( 'display' == $context )
|
---|
| 678 | $action = 'action=edit&';
|
---|
| 679 | else
|
---|
| 680 | $action = 'action=edit&';
|
---|
| 681 |
|
---|
| 682 | switch ( $post->post_type ) :
|
---|
| 683 | case 'page' :
|
---|
| 684 | if ( !current_user_can( 'edit_page', $post->ID ) )
|
---|
| 685 | return;
|
---|
| 686 | $file = 'page';
|
---|
| 687 | $var = 'post';
|
---|
| 688 | break;
|
---|
| 689 | case 'attachment' :
|
---|
| 690 | if ( !current_user_can( 'edit_post', $post->ID ) )
|
---|
| 691 | return;
|
---|
| 692 | $file = 'media';
|
---|
| 693 | $var = 'attachment_id';
|
---|
| 694 | break;
|
---|
| 695 | case 'revision' :
|
---|
| 696 | if ( !current_user_can( 'edit_post', $post->ID ) )
|
---|
| 697 | return;
|
---|
| 698 | $file = 'revision';
|
---|
| 699 | $var = 'revision';
|
---|
| 700 | $action = '';
|
---|
| 701 | break;
|
---|
| 702 | default :
|
---|
| 703 | if ( !current_user_can( 'edit_post', $post->ID ) )
|
---|
| 704 | return;
|
---|
| 705 | $file = 'post';
|
---|
| 706 | $var = 'post';
|
---|
| 707 | break;
|
---|
| 708 | endswitch;
|
---|
| 709 |
|
---|
| 710 | return apply_filters( 'get_edit_post_link', admin_url("$file.php?{$action}$var=$post->ID"), $post->ID, $context );
|
---|
| 711 | }
|
---|
| 712 |
|
---|
| 713 | /**
|
---|
| 714 | * Display edit post link for post.
|
---|
| 715 | *
|
---|
| 716 | * @since 1.0.0
|
---|
| 717 | *
|
---|
| 718 | * @param string $link Optional. Anchor text.
|
---|
| 719 | * @param string $before Optional. Display before edit link.
|
---|
| 720 | * @param string $after Optional. Display after edit link.
|
---|
| 721 | * @param int $id Optional. Post ID.
|
---|
| 722 | */
|
---|
| 723 | function edit_post_link( $link = 'Edit This', $before = '', $after = '', $id = 0 ) {
|
---|
| 724 | if ( !$post = &get_post( $id ) )
|
---|
| 725 | return;
|
---|
| 726 |
|
---|
| 727 | if ( !$url = get_edit_post_link( $post->ID ) )
|
---|
| 728 | return;
|
---|
| 729 |
|
---|
| 730 | $link = '<a class="post-edit-link" href="' . $url . '" title="' . esc_attr( __( 'Edit post' ) ) . '">' . $link . '</a>';
|
---|
| 731 | echo $before . apply_filters( 'edit_post_link', $link, $post->ID ) . $after;
|
---|
| 732 | }
|
---|
| 733 |
|
---|
| 734 | /**
|
---|
| 735 | * Retrieve edit comment link.
|
---|
| 736 | *
|
---|
| 737 | * @since 2.3.0
|
---|
| 738 | *
|
---|
| 739 | * @param int $comment_id Optional. Comment ID.
|
---|
| 740 | * @return string
|
---|
| 741 | */
|
---|
| 742 | function get_edit_comment_link( $comment_id = 0 ) {
|
---|
| 743 | $comment = &get_comment( $comment_id );
|
---|
| 744 | $post = &get_post( $comment->comment_post_ID );
|
---|
| 745 |
|
---|
| 746 | if ( $post->post_type == 'page' ) {
|
---|
| 747 | if ( !current_user_can( 'edit_page', $post->ID ) )
|
---|
| 748 | return;
|
---|
| 749 | } else {
|
---|
| 750 | if ( !current_user_can( 'edit_post', $post->ID ) )
|
---|
| 751 | return;
|
---|
| 752 | }
|
---|
| 753 |
|
---|
| 754 | $location = admin_url('comment.php?action=editcomment&c=') . $comment->comment_ID;
|
---|
| 755 | return apply_filters( 'get_edit_comment_link', $location );
|
---|
| 756 | }
|
---|
| 757 |
|
---|
| 758 | /**
|
---|
| 759 | * Display or retrieve edit comment link with formatting.
|
---|
| 760 | *
|
---|
| 761 | * @since 1.0.0
|
---|
| 762 | *
|
---|
| 763 | * @param string $link Optional. Anchor text.
|
---|
| 764 | * @param string $before Optional. Display before edit link.
|
---|
| 765 | * @param string $after Optional. Display after edit link.
|
---|
| 766 | * @return string|null HTML content, if $echo is set to false.
|
---|
| 767 | */
|
---|
| 768 | function edit_comment_link( $link = 'Edit This', $before = '', $after = '' ) {
|
---|
| 769 | global $comment, $post;
|
---|
| 770 |
|
---|
| 771 | if ( $post->post_type == 'attachment' ) {
|
---|
| 772 | } elseif ( $post->post_type == 'page' ) {
|
---|
| 773 | if ( !current_user_can( 'edit_page', $post->ID ) )
|
---|
| 774 | return;
|
---|
| 775 | } else {
|
---|
| 776 | if ( !current_user_can( 'edit_post', $post->ID ) )
|
---|
| 777 | return;
|
---|
| 778 | }
|
---|
| 779 |
|
---|
| 780 | $link = '<a class="comment-edit-link" href="' . get_edit_comment_link( $comment->comment_ID ) . '" title="' . __( 'Edit comment' ) . '">' . $link . '</a>';
|
---|
| 781 | echo $before . apply_filters( 'edit_comment_link', $link, $comment->comment_ID ) . $after;
|
---|
| 782 | }
|
---|
| 783 |
|
---|
| 784 | /**
|
---|
| 785 | * Display edit bookmark (literally a URL external to blog) link.
|
---|
| 786 | *
|
---|
| 787 | * @since 2.7.0
|
---|
| 788 | *
|
---|
| 789 | * @param int $link Optional. Bookmark ID.
|
---|
| 790 | * @return string
|
---|
| 791 | */
|
---|
| 792 | function get_edit_bookmark_link( $link = 0 ) {
|
---|
| 793 | $link = get_bookmark( $link );
|
---|
| 794 |
|
---|
| 795 | if ( !current_user_can('manage_links') )
|
---|
| 796 | return;
|
---|
| 797 |
|
---|
| 798 | $location = admin_url('link.php?action=edit&link_id=') . $link->link_id;
|
---|
| 799 | return apply_filters( 'get_edit_bookmark_link', $location, $link->link_id );
|
---|
| 800 | }
|
---|
| 801 |
|
---|
| 802 | /**
|
---|
| 803 | * Display edit bookmark (literally a URL external to blog) link anchor content.
|
---|
| 804 | *
|
---|
| 805 | * @since 2.7.0
|
---|
| 806 | *
|
---|
| 807 | * @param string $link Optional. Anchor text.
|
---|
| 808 | * @param string $before Optional. Display before edit link.
|
---|
| 809 | * @param string $after Optional. Display after edit link.
|
---|
| 810 | * @param int $bookmark Optional. Bookmark ID.
|
---|
| 811 | */
|
---|
| 812 | function edit_bookmark_link( $link = '', $before = '', $after = '', $bookmark = null ) {
|
---|
| 813 | $bookmark = get_bookmark($bookmark);
|
---|
| 814 |
|
---|
| 815 | if ( !current_user_can('manage_links') )
|
---|
| 816 | return;
|
---|
| 817 |
|
---|
| 818 | if ( empty($link) )
|
---|
| 819 | $link = __('Edit This');
|
---|
| 820 |
|
---|
| 821 | $link = '<a href="' . get_edit_bookmark_link( $link ) . '" title="' . __( 'Edit link' ) . '">' . $link . '</a>';
|
---|
| 822 | echo $before . apply_filters( 'edit_bookmark_link', $link, $bookmark->link_id ) . $after;
|
---|
| 823 | }
|
---|
| 824 |
|
---|
| 825 | // Navigation links
|
---|
| 826 |
|
---|
| 827 | /**
|
---|
| 828 | * Retrieve previous post link that is adjacent to current post.
|
---|
| 829 | *
|
---|
| 830 | * @since 1.5.0
|
---|
| 831 | *
|
---|
| 832 | * @param bool $in_same_cat Optional. Whether link should be in same category.
|
---|
| 833 | * @param string $excluded_categories Optional. Excluded categories IDs.
|
---|
| 834 | * @return string
|
---|
| 835 | */
|
---|
| 836 | function get_previous_post($in_same_cat = false, $excluded_categories = '') {
|
---|
| 837 | return get_adjacent_post($in_same_cat, $excluded_categories);
|
---|
| 838 | }
|
---|
| 839 |
|
---|
| 840 | /**
|
---|
| 841 | * Retrieve next post link that is adjacent to current post.
|
---|
| 842 | *
|
---|
| 843 | * @since 1.5.0
|
---|
| 844 | *
|
---|
| 845 | * @param bool $in_same_cat Optional. Whether link should be in same category.
|
---|
| 846 | * @param string $excluded_categories Optional. Excluded categories IDs.
|
---|
| 847 | * @return string
|
---|
| 848 | */
|
---|
| 849 | function get_next_post($in_same_cat = false, $excluded_categories = '') {
|
---|
| 850 | return get_adjacent_post($in_same_cat, $excluded_categories, false);
|
---|
| 851 | }
|
---|
| 852 |
|
---|
| 853 | /**
|
---|
| 854 | * Retrieve adjacent post link.
|
---|
| 855 | *
|
---|
| 856 | * Can either be next or previous post link.
|
---|
| 857 | *
|
---|
| 858 | * @since 2.5.0
|
---|
| 859 | *
|
---|
| 860 | * @param bool $in_same_cat Optional. Whether link should be in same category.
|
---|
| 861 | * @param string $excluded_categories Optional. Excluded categories IDs.
|
---|
| 862 | * @param bool $previous Optional. Whether to retrieve previous post.
|
---|
| 863 | * @return string
|
---|
| 864 | */
|
---|
| 865 | function get_adjacent_post($in_same_cat = false, $excluded_categories = '', $previous = true) {
|
---|
| 866 | global $post, $wpdb;
|
---|
| 867 |
|
---|
| 868 | if ( empty($post) || !is_single() || is_attachment() )
|
---|
| 869 | return null;
|
---|
| 870 |
|
---|
| 871 | $current_post_date = $post->post_date;
|
---|
| 872 |
|
---|
| 873 | $join = '';
|
---|
| 874 | $posts_in_ex_cats_sql = '';
|
---|
| 875 | if ( $in_same_cat || !empty($excluded_categories) ) {
|
---|
| 876 | $join = " INNER JOIN $wpdb->term_relationships AS tr ON p.ID = tr.object_id INNER JOIN $wpdb->term_taxonomy tt ON tr.term_taxonomy_id = tt.term_taxonomy_id";
|
---|
| 877 |
|
---|
| 878 | if ( $in_same_cat ) {
|
---|
| 879 | $cat_array = wp_get_object_terms($post->ID, 'category', 'fields=ids');
|
---|
| 880 | $join .= " AND tt.taxonomy = 'category' AND tt.term_id IN (" . implode(',', $cat_array) . ")";
|
---|
| 881 | }
|
---|
| 882 |
|
---|
| 883 | $posts_in_ex_cats_sql = "AND tt.taxonomy = 'category'";
|
---|
| 884 | if ( !empty($excluded_categories) ) {
|
---|
| 885 | $excluded_categories = array_map('intval', explode(' and ', $excluded_categories));
|
---|
| 886 | if ( !empty($cat_array) ) {
|
---|
| 887 | $excluded_categories = array_diff($excluded_categories, $cat_array);
|
---|
| 888 | $posts_in_ex_cats_sql = '';
|
---|
| 889 | }
|
---|
| 890 |
|
---|
| 891 | if ( !empty($excluded_categories) ) {
|
---|
| 892 | $posts_in_ex_cats_sql = " AND tt.taxonomy = 'category' AND tt.term_id NOT IN (" . implode($excluded_categories, ',') . ')';
|
---|
| 893 | }
|
---|
| 894 | }
|
---|
| 895 | }
|
---|
| 896 |
|
---|
| 897 | $adjacent = $previous ? 'previous' : 'next';
|
---|
| 898 | $op = $previous ? '<' : '>';
|
---|
| 899 | $order = $previous ? 'DESC' : 'ASC';
|
---|
| 900 |
|
---|
| 901 | $join = apply_filters( "get_{$adjacent}_post_join", $join, $in_same_cat, $excluded_categories );
|
---|
| 902 | $where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare("WHERE p.post_date $op %s AND p.post_type = 'post' AND p.post_status = 'publish' $posts_in_ex_cats_sql", $current_post_date), $in_same_cat, $excluded_categories );
|
---|
| 903 | $sort = apply_filters( "get_{$adjacent}_post_sort", "ORDER BY p.post_date $order LIMIT 1" );
|
---|
| 904 |
|
---|
| 905 | $query = "SELECT p.* FROM $wpdb->posts AS p $join $where $sort";
|
---|
| 906 | $query_key = 'adjacent_post_' . md5($query);
|
---|
| 907 | $result = wp_cache_get($query_key, 'counts');
|
---|
| 908 | if ( false !== $result )
|
---|
| 909 | return $result;
|
---|
| 910 |
|
---|
| 911 | $result = $wpdb->get_row("SELECT p.* FROM $wpdb->posts AS p $join $where $sort");
|
---|
| 912 | if ( null === $result )
|
---|
| 913 | $result = '';
|
---|
| 914 |
|
---|
| 915 | wp_cache_set($query_key, $result, 'counts');
|
---|
| 916 | return $result;
|
---|
| 917 | }
|
---|
| 918 |
|
---|
| 919 | /**
|
---|
| 920 | * Get adjacent post relational link.
|
---|
| 921 | *
|
---|
| 922 | * Can either be next or previous post relational link.
|
---|
| 923 | *
|
---|
| 924 | * @since 2.8.0
|
---|
| 925 | *
|
---|
| 926 | * @param string $title Optional. Link title format.
|
---|
| 927 | * @param bool $in_same_cat Optional. Whether link should be in same category.
|
---|
| 928 | * @param string $excluded_categories Optional. Excluded categories IDs.
|
---|
| 929 | * @param bool $previous Optional, default is true. Whether display link to previous post.
|
---|
| 930 | * @return string
|
---|
| 931 | */
|
---|
| 932 | function get_adjacent_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $previous = true) {
|
---|
| 933 | if ( $previous && is_attachment() )
|
---|
| 934 | $post = & get_post($GLOBALS['post']->post_parent);
|
---|
| 935 | else
|
---|
| 936 | $post = get_adjacent_post($in_same_cat,$excluded_categories,$previous);
|
---|
| 937 |
|
---|
| 938 | if ( empty($post) )
|
---|
| 939 | return;
|
---|
| 940 |
|
---|
| 941 | if ( empty($post->post_title) )
|
---|
| 942 | $post->post_title = $previous ? __('Previous Post') : __('Next Post');
|
---|
| 943 |
|
---|
| 944 | $date = mysql2date(get_option('date_format'), $post->post_date);
|
---|
| 945 |
|
---|
| 946 | $title = str_replace('%title', $post->post_title, $title);
|
---|
| 947 | $title = str_replace('%date', $date, $title);
|
---|
| 948 | $title = apply_filters('the_title', $title, $post);
|
---|
| 949 |
|
---|
| 950 | $link = $previous ? "<link rel='prev' title='" : "<link rel='next' title='";
|
---|
| 951 | $link .= esc_attr( $title );
|
---|
| 952 | $link .= "' href='" . get_permalink($post) . "' />\n";
|
---|
| 953 |
|
---|
| 954 | $adjacent = $previous ? 'previous' : 'next';
|
---|
| 955 | return apply_filters( "{$adjacent}_post_rel_link", $link );
|
---|
| 956 | }
|
---|
| 957 |
|
---|
| 958 | /**
|
---|
| 959 | * Display relational links for the posts adjacent to the current post.
|
---|
| 960 | *
|
---|
| 961 | * @since 2.8.0
|
---|
| 962 | *
|
---|
| 963 | * @param string $title Optional. Link title format.
|
---|
| 964 | * @param bool $in_same_cat Optional. Whether link should be in same category.
|
---|
| 965 | * @param string $excluded_categories Optional. Excluded categories IDs.
|
---|
| 966 | */
|
---|
| 967 | function adjacent_posts_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
|
---|
| 968 | echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', true);
|
---|
| 969 | echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', false);
|
---|
| 970 | }
|
---|
| 971 |
|
---|
| 972 | /**
|
---|
| 973 | * Display relational link for the next post adjacent to the current post.
|
---|
| 974 | *
|
---|
| 975 | * @since 2.8.0
|
---|
| 976 | *
|
---|
| 977 | * @param string $title Optional. Link title format.
|
---|
| 978 | * @param bool $in_same_cat Optional. Whether link should be in same category.
|
---|
| 979 | * @param string $excluded_categories Optional. Excluded categories IDs.
|
---|
| 980 | */
|
---|
| 981 | function next_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
|
---|
| 982 | echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', false);
|
---|
| 983 | }
|
---|
| 984 |
|
---|
| 985 | /**
|
---|
| 986 | * Display relational link for the previous post adjacent to the current post.
|
---|
| 987 | *
|
---|
| 988 | * @since 2.8.0
|
---|
| 989 | *
|
---|
| 990 | * @param string $title Optional. Link title format.
|
---|
| 991 | * @param bool $in_same_cat Optional. Whether link should be in same category.
|
---|
| 992 | * @param string $excluded_categories Optional. Excluded categories IDs.
|
---|
| 993 | */
|
---|
| 994 | function prev_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
|
---|
| 995 | echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', true);
|
---|
| 996 | }
|
---|
| 997 |
|
---|
| 998 | /**
|
---|
| 999 | * Retrieve boundary post.
|
---|
| 1000 | *
|
---|
| 1001 | * Boundary being either the first or last post by publish date within the contraitns specified
|
---|
| 1002 | * by in same category or excluded categories.
|
---|
| 1003 | *
|
---|
| 1004 | * @since 2.8.0
|
---|
| 1005 | *
|
---|
| 1006 | * @param bool $in_same_cat Optional. Whether returned post should be in same category.
|
---|
| 1007 | * @param string $excluded_categories Optional. Excluded categories IDs.
|
---|
| 1008 | * @param bool $previous Optional. Whether to retrieve first post.
|
---|
| 1009 | * @return object
|
---|
| 1010 | */
|
---|
| 1011 | function get_boundary_post($in_same_cat = false, $excluded_categories = '', $start = true) {
|
---|
| 1012 | global $post, $wpdb;
|
---|
| 1013 |
|
---|
| 1014 | if ( empty($post) || !is_single() || is_attachment() )
|
---|
| 1015 | return null;
|
---|
| 1016 |
|
---|
| 1017 | $cat_array = array();
|
---|
| 1018 | $excluded_categories = array();
|
---|
| 1019 | if ( !empty($in_same_cat) || !empty($excluded_categories) ) {
|
---|
| 1020 | if ( !empty($in_same_cat) ) {
|
---|
| 1021 | $cat_array = wp_get_object_terms($post->ID, 'category', 'fields=ids');
|
---|
| 1022 | }
|
---|
| 1023 |
|
---|
| 1024 | if ( !empty($excluded_categories) ) {
|
---|
| 1025 | $excluded_categories = array_map('intval', explode(',', $excluded_categories));
|
---|
| 1026 |
|
---|
| 1027 | if ( !empty($cat_array) )
|
---|
| 1028 | $excluded_categories = array_diff($excluded_categories, $cat_array);
|
---|
| 1029 |
|
---|
| 1030 | $inverse_cats = array();
|
---|
| 1031 | foreach ( $excluded_categories as $excluded_category)
|
---|
| 1032 | $inverse_cats[] = $excluded_category * -1;
|
---|
| 1033 | $excluded_categories = $inverse_cats;
|
---|
| 1034 | }
|
---|
| 1035 | }
|
---|
| 1036 |
|
---|
| 1037 | $categories = implode(',', array_merge($cat_array, $excluded_categories) );
|
---|
| 1038 |
|
---|
| 1039 | $order = $start ? 'ASC' : 'DESC';
|
---|
| 1040 |
|
---|
| 1041 | return get_posts( array('numberposts' => 1, 'order' => $order, 'orderby' => 'ID', 'category' => $categories) );
|
---|
| 1042 | }
|
---|
| 1043 |
|
---|
| 1044 | /**
|
---|
| 1045 | * Get boundary post relational link.
|
---|
| 1046 | *
|
---|
| 1047 | * Can either be start or end post relational link.
|
---|
| 1048 | *
|
---|
| 1049 | * @since 2.8.0
|
---|
| 1050 | *
|
---|
| 1051 | * @param string $title Optional. Link title format.
|
---|
| 1052 | * @param bool $in_same_cat Optional. Whether link should be in same category.
|
---|
| 1053 | * @param string $excluded_categories Optional. Excluded categories IDs.
|
---|
| 1054 | * @param bool $start Optional, default is true. Whether display link to first post.
|
---|
| 1055 | * @return string
|
---|
| 1056 | */
|
---|
| 1057 | function get_boundary_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $start = true) {
|
---|
| 1058 | $posts = get_boundary_post($in_same_cat,$excluded_categories,$start);
|
---|
| 1059 | // Even though we limited get_posts to return only 1 item it still returns an array of objects.
|
---|
| 1060 | $post = $posts[0];
|
---|
| 1061 |
|
---|
| 1062 | if ( empty($post) )
|
---|
| 1063 | return;
|
---|
| 1064 |
|
---|
| 1065 | if ( empty($post->post_title) )
|
---|
| 1066 | $post->post_title = $start ? __('First Post') : __('Last Post');
|
---|
| 1067 |
|
---|
| 1068 | $date = mysql2date(get_option('date_format'), $post->post_date);
|
---|
| 1069 |
|
---|
| 1070 | $title = str_replace('%title', $post->post_title, $title);
|
---|
| 1071 | $title = str_replace('%date', $date, $title);
|
---|
| 1072 | $title = apply_filters('the_title', $title, $post);
|
---|
| 1073 |
|
---|
| 1074 | $link = $start ? "<link rel='start' title='" : "<link rel='end' title='";
|
---|
| 1075 | $link .= esc_attr($title);
|
---|
| 1076 | $link .= "' href='" . get_permalink($post) . "' />\n";
|
---|
| 1077 |
|
---|
| 1078 | $boundary = $start ? 'start' : 'end';
|
---|
| 1079 | return apply_filters( "{$boundary}_post_rel_link", $link );
|
---|
| 1080 | }
|
---|
| 1081 |
|
---|
| 1082 | /**
|
---|
| 1083 | * Display relational link for the first post.
|
---|
| 1084 | *
|
---|
| 1085 | * @since 2.8.0
|
---|
| 1086 | *
|
---|
| 1087 | * @param string $title Optional. Link title format.
|
---|
| 1088 | * @param bool $in_same_cat Optional. Whether link should be in same category.
|
---|
| 1089 | * @param string $excluded_categories Optional. Excluded categories IDs.
|
---|
| 1090 | */
|
---|
| 1091 | function start_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
|
---|
| 1092 | echo get_boundary_post_rel_link($title, $in_same_cat, $excluded_categories, true);
|
---|
| 1093 | }
|
---|
| 1094 |
|
---|
| 1095 | /**
|
---|
| 1096 | * Get site index relational link.
|
---|
| 1097 | *
|
---|
| 1098 | * @since 2.8.0
|
---|
| 1099 | *
|
---|
| 1100 | * @return string
|
---|
| 1101 | */
|
---|
| 1102 | function get_index_rel_link() {
|
---|
| 1103 | $link = "<link rel='index' title='" . esc_attr(get_bloginfo('name')) . "' href='" . get_bloginfo('siteurl') . "' />\n";
|
---|
| 1104 | return apply_filters( "index_rel_link", $link );
|
---|
| 1105 | }
|
---|
| 1106 |
|
---|
| 1107 | /**
|
---|
| 1108 | * Display relational link for the site index.
|
---|
| 1109 | *
|
---|
| 1110 | * @since 2.8.0
|
---|
| 1111 | */
|
---|
| 1112 | function index_rel_link() {
|
---|
| 1113 | echo get_index_rel_link();
|
---|
| 1114 | }
|
---|
| 1115 |
|
---|
| 1116 | /**
|
---|
| 1117 | * Get parent post relational link.
|
---|
| 1118 | *
|
---|
| 1119 | * @since 2.8.0
|
---|
| 1120 | *
|
---|
| 1121 | * @param string $title Optional. Link title format.
|
---|
| 1122 | * @return string
|
---|
| 1123 | */
|
---|
| 1124 | function get_parent_post_rel_link($title = '%title') {
|
---|
| 1125 | if ( ! empty( $GLOBALS['post'] ) && ! empty( $GLOBALS['post']->post_parent ) )
|
---|
| 1126 | $post = & get_post($GLOBALS['post']->post_parent);
|
---|
| 1127 |
|
---|
| 1128 | if ( empty($post) )
|
---|
| 1129 | return;
|
---|
| 1130 |
|
---|
| 1131 | $date = mysql2date(get_option('date_format'), $post->post_date);
|
---|
| 1132 |
|
---|
| 1133 | $title = str_replace('%title', $post->post_title, $title);
|
---|
| 1134 | $title = str_replace('%date', $date, $title);
|
---|
| 1135 | $title = apply_filters('the_title', $title, $post);
|
---|
| 1136 |
|
---|
| 1137 | $link = "<link rel='up' title='";
|
---|
| 1138 | $link .= esc_attr( $title );
|
---|
| 1139 | $link .= "' href='" . get_permalink($post) . "' />\n";
|
---|
| 1140 |
|
---|
| 1141 | return apply_filters( "parent_post_rel_link", $link );
|
---|
| 1142 | }
|
---|
| 1143 |
|
---|
| 1144 | /**
|
---|
| 1145 | * Display relational link for parent item
|
---|
| 1146 | *
|
---|
| 1147 | * @since 2.8.0
|
---|
| 1148 | */
|
---|
| 1149 | function parent_post_rel_link($title = '%title') {
|
---|
| 1150 | echo get_parent_post_rel_link($title);
|
---|
| 1151 | }
|
---|
| 1152 |
|
---|
| 1153 | /**
|
---|
| 1154 | * Display previous post link that is adjacent to the current post.
|
---|
| 1155 | *
|
---|
| 1156 | * @since 1.5.0
|
---|
| 1157 | *
|
---|
| 1158 | * @param string $format Optional. Link anchor format.
|
---|
| 1159 | * @param string $link Optional. Link permalink format.
|
---|
| 1160 | * @param bool $in_same_cat Optional. Whether link should be in same category.
|
---|
| 1161 | * @param string $excluded_categories Optional. Excluded categories IDs.
|
---|
| 1162 | */
|
---|
| 1163 | function previous_post_link($format='« %link', $link='%title', $in_same_cat = false, $excluded_categories = '') {
|
---|
| 1164 | adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, true);
|
---|
| 1165 | }
|
---|
| 1166 |
|
---|
| 1167 | /**
|
---|
| 1168 | * Display next post link that is adjacent to the current post.
|
---|
| 1169 | *
|
---|
| 1170 | * @since 1.5.0
|
---|
| 1171 | *
|
---|
| 1172 | * @param string $format Optional. Link anchor format.
|
---|
| 1173 | * @param string $link Optional. Link permalink format.
|
---|
| 1174 | * @param bool $in_same_cat Optional. Whether link should be in same category.
|
---|
| 1175 | * @param string $excluded_categories Optional. Excluded categories IDs.
|
---|
| 1176 | */
|
---|
| 1177 | function next_post_link($format='%link »', $link='%title', $in_same_cat = false, $excluded_categories = '') {
|
---|
| 1178 | adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, false);
|
---|
| 1179 | }
|
---|
| 1180 |
|
---|
| 1181 | /**
|
---|
| 1182 | * Display adjacent post link.
|
---|
| 1183 | *
|
---|
| 1184 | * Can be either next post link or previous.
|
---|
| 1185 | *
|
---|
| 1186 | * @since 2.5.0
|
---|
| 1187 | *
|
---|
| 1188 | * @param string $format Link anchor format.
|
---|
| 1189 | * @param string $link Link permalink format.
|
---|
| 1190 | * @param bool $in_same_cat Optional. Whether link should be in same category.
|
---|
| 1191 | * @param string $excluded_categories Optional. Excluded categories IDs.
|
---|
| 1192 | * @param bool $previous Optional, default is true. Whether display link to previous post.
|
---|
| 1193 | */
|
---|
| 1194 | function adjacent_post_link($format, $link, $in_same_cat = false, $excluded_categories = '', $previous = true) {
|
---|
| 1195 | if ( $previous && is_attachment() )
|
---|
| 1196 | $post = & get_post($GLOBALS['post']->post_parent);
|
---|
| 1197 | else
|
---|
| 1198 | $post = get_adjacent_post($in_same_cat, $excluded_categories, $previous);
|
---|
| 1199 |
|
---|
| 1200 | if ( !$post )
|
---|
| 1201 | return;
|
---|
| 1202 |
|
---|
| 1203 | $title = $post->post_title;
|
---|
| 1204 |
|
---|
| 1205 | if ( empty($post->post_title) )
|
---|
| 1206 | $title = $previous ? __('Previous Post') : __('Next Post');
|
---|
| 1207 |
|
---|
| 1208 | $title = apply_filters('the_title', $title, $post);
|
---|
| 1209 | $date = mysql2date(get_option('date_format'), $post->post_date);
|
---|
| 1210 |
|
---|
| 1211 | $string = '<a href="'.get_permalink($post).'">';
|
---|
| 1212 | $link = str_replace('%title', $title, $link);
|
---|
| 1213 | $link = str_replace('%date', $date, $link);
|
---|
| 1214 | $link = $string . $link . '</a>';
|
---|
| 1215 |
|
---|
| 1216 | $format = str_replace('%link', $link, $format);
|
---|
| 1217 |
|
---|
| 1218 | $adjacent = $previous ? 'previous' : 'next';
|
---|
| 1219 | echo apply_filters( "{$adjacent}_post_link", $format, $link );
|
---|
| 1220 | }
|
---|
| 1221 |
|
---|
| 1222 | /**
|
---|
| 1223 | * Retrieve get links for page numbers.
|
---|
| 1224 | *
|
---|
| 1225 | * @since 1.5.0
|
---|
| 1226 | *
|
---|
| 1227 | * @param int $pagenum Optional. Page ID.
|
---|
| 1228 | * @return string
|
---|
| 1229 | */
|
---|
| 1230 | function get_pagenum_link($pagenum = 1) {
|
---|
| 1231 | global $wp_rewrite;
|
---|
| 1232 |
|
---|
| 1233 | $pagenum = (int) $pagenum;
|
---|
| 1234 |
|
---|
| 1235 | $request = remove_query_arg( 'paged' );
|
---|
| 1236 |
|
---|
| 1237 | $home_root = parse_url(get_option('home'));
|
---|
| 1238 | $home_root = ( isset($home_root['path']) ) ? $home_root['path'] : '';
|
---|
| 1239 | $home_root = preg_quote( trailingslashit( $home_root ), '|' );
|
---|
| 1240 |
|
---|
| 1241 | $request = preg_replace('|^'. $home_root . '|', '', $request);
|
---|
| 1242 | $request = preg_replace('|^/+|', '', $request);
|
---|
| 1243 |
|
---|
| 1244 | if ( !$wp_rewrite->using_permalinks() || is_admin() ) {
|
---|
| 1245 | $base = trailingslashit( get_bloginfo( 'home' ) );
|
---|
| 1246 |
|
---|
| 1247 | if ( $pagenum > 1 ) {
|
---|
| 1248 | $result = add_query_arg( 'paged', $pagenum, $base . $request );
|
---|
| 1249 | } else {
|
---|
| 1250 | $result = $base . $request;
|
---|
| 1251 | }
|
---|
| 1252 | } else {
|
---|
| 1253 | $qs_regex = '|\?.*?$|';
|
---|
| 1254 | preg_match( $qs_regex, $request, $qs_match );
|
---|
| 1255 |
|
---|
| 1256 | if ( !empty( $qs_match[0] ) ) {
|
---|
| 1257 | $query_string = $qs_match[0];
|
---|
| 1258 | $request = preg_replace( $qs_regex, '', $request );
|
---|
| 1259 | } else {
|
---|
| 1260 | $query_string = '';
|
---|
| 1261 | }
|
---|
| 1262 |
|
---|
| 1263 | $request = preg_replace( '|page/\d+/?$|', '', $request);
|
---|
| 1264 | $request = preg_replace( '|^index\.php|', '', $request);
|
---|
| 1265 | $request = ltrim($request, '/');
|
---|
| 1266 |
|
---|
| 1267 | $base = trailingslashit( get_bloginfo( 'url' ) );
|
---|
| 1268 |
|
---|
| 1269 | if ( $wp_rewrite->using_index_permalinks() && ( $pagenum > 1 || '' != $request ) )
|
---|
| 1270 | $base .= 'index.php/';
|
---|
| 1271 |
|
---|
| 1272 | if ( $pagenum > 1 ) {
|
---|
| 1273 | $request = ( ( !empty( $request ) ) ? trailingslashit( $request ) : $request ) . user_trailingslashit( 'page/' . $pagenum, 'paged' );
|
---|
| 1274 | }
|
---|
| 1275 |
|
---|
| 1276 | $result = $base . $request . $query_string;
|
---|
| 1277 | }
|
---|
| 1278 |
|
---|
| 1279 | $result = apply_filters('get_pagenum_link', $result);
|
---|
| 1280 |
|
---|
| 1281 | return $result;
|
---|
| 1282 | }
|
---|
| 1283 |
|
---|
| 1284 | /**
|
---|
| 1285 | * Retrieve next posts pages link.
|
---|
| 1286 | *
|
---|
| 1287 | * Backported from 2.1.3 to 2.0.10.
|
---|
| 1288 | *
|
---|
| 1289 | * @since 2.0.10
|
---|
| 1290 | *
|
---|
| 1291 | * @param int $max_page Optional. Max pages.
|
---|
| 1292 | * @return string
|
---|
| 1293 | */
|
---|
| 1294 | function get_next_posts_page_link($max_page = 0) {
|
---|
| 1295 | global $paged;
|
---|
| 1296 |
|
---|
| 1297 | if ( !is_single() ) {
|
---|
| 1298 | if ( !$paged )
|
---|
| 1299 | $paged = 1;
|
---|
| 1300 | $nextpage = intval($paged) + 1;
|
---|
| 1301 | if ( !$max_page || $max_page >= $nextpage )
|
---|
| 1302 | return get_pagenum_link($nextpage);
|
---|
| 1303 | }
|
---|
| 1304 | }
|
---|
| 1305 |
|
---|
| 1306 | /**
|
---|
| 1307 | * Display or return the next posts pages link.
|
---|
| 1308 | *
|
---|
| 1309 | * @since 0.71
|
---|
| 1310 | *
|
---|
| 1311 | * @param int $max_page Optional. Max pages.
|
---|
| 1312 | * @param boolean $echo Optional. Echo or return;
|
---|
| 1313 | */
|
---|
| 1314 | function next_posts( $max_page = 0, $echo = true ) {
|
---|
| 1315 | $output = esc_url( get_next_posts_page_link( $max_page ) );
|
---|
| 1316 |
|
---|
| 1317 | if ( $echo )
|
---|
| 1318 | echo $output;
|
---|
| 1319 | else
|
---|
| 1320 | return $output;
|
---|
| 1321 | }
|
---|
| 1322 |
|
---|
| 1323 | /**
|
---|
| 1324 | * Return the next posts pages link.
|
---|
| 1325 | *
|
---|
| 1326 | * @since 2.7.0
|
---|
| 1327 | *
|
---|
| 1328 | * @param string $label Content for link text.
|
---|
| 1329 | * @param int $max_page Optional. Max pages.
|
---|
| 1330 | * @return string|null
|
---|
| 1331 | */
|
---|
| 1332 | function get_next_posts_link( $label = 'Next Page »', $max_page = 0 ) {
|
---|
| 1333 | global $paged, $wp_query;
|
---|
| 1334 |
|
---|
| 1335 | if ( !$max_page ) {
|
---|
| 1336 | $max_page = $wp_query->max_num_pages;
|
---|
| 1337 | }
|
---|
| 1338 |
|
---|
| 1339 | if ( !$paged )
|
---|
| 1340 | $paged = 1;
|
---|
| 1341 |
|
---|
| 1342 | $nextpage = intval($paged) + 1;
|
---|
| 1343 |
|
---|
| 1344 | if ( !is_single() && ( empty($paged) || $nextpage <= $max_page) ) {
|
---|
| 1345 | $attr = apply_filters( 'next_posts_link_attributes', '' );
|
---|
| 1346 | return '<a href="' . next_posts( $max_page, false ) . "\" $attr>". preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $label) .'</a>';
|
---|
| 1347 | }
|
---|
| 1348 | }
|
---|
| 1349 |
|
---|
| 1350 | /**
|
---|
| 1351 | * Display the next posts pages link.
|
---|
| 1352 | *
|
---|
| 1353 | * @since 0.71
|
---|
| 1354 | * @uses get_next_posts_link()
|
---|
| 1355 | *
|
---|
| 1356 | * @param string $label Content for link text.
|
---|
| 1357 | * @param int $max_page Optional. Max pages.
|
---|
| 1358 | */
|
---|
| 1359 | function next_posts_link( $label = 'Next Page »', $max_page = 0 ) {
|
---|
| 1360 | echo get_next_posts_link( $label, $max_page );
|
---|
| 1361 | }
|
---|
| 1362 |
|
---|
| 1363 | /**
|
---|
| 1364 | * Retrieve previous post pages link.
|
---|
| 1365 | *
|
---|
| 1366 | * Will only return string, if not on a single page or post.
|
---|
| 1367 | *
|
---|
| 1368 | * Backported to 2.0.10 from 2.1.3.
|
---|
| 1369 | *
|
---|
| 1370 | * @since 2.0.10
|
---|
| 1371 | *
|
---|
| 1372 | * @return string|null
|
---|
| 1373 | */
|
---|
| 1374 | function get_previous_posts_page_link() {
|
---|
| 1375 | global $paged;
|
---|
| 1376 |
|
---|
| 1377 | if ( !is_single() ) {
|
---|
| 1378 | $nextpage = intval($paged) - 1;
|
---|
| 1379 | if ( $nextpage < 1 )
|
---|
| 1380 | $nextpage = 1;
|
---|
| 1381 | return get_pagenum_link($nextpage);
|
---|
| 1382 | }
|
---|
| 1383 | }
|
---|
| 1384 |
|
---|
| 1385 | /**
|
---|
| 1386 | * Display or return the previous posts pages link.
|
---|
| 1387 | *
|
---|
| 1388 | * @since 0.71
|
---|
| 1389 | *
|
---|
| 1390 | * @param boolean $echo Optional. Echo or return;
|
---|
| 1391 | */
|
---|
| 1392 | function previous_posts( $echo = true ) {
|
---|
| 1393 | $output = esc_url( get_previous_posts_page_link() );
|
---|
| 1394 |
|
---|
| 1395 | if ( $echo )
|
---|
| 1396 | echo $output;
|
---|
| 1397 | else
|
---|
| 1398 | return $output;
|
---|
| 1399 | }
|
---|
| 1400 |
|
---|
| 1401 | /**
|
---|
| 1402 | * Return the previous posts pages link.
|
---|
| 1403 | *
|
---|
| 1404 | * @since 2.7.0
|
---|
| 1405 | *
|
---|
| 1406 | * @param string $label Optional. Previous page link text.
|
---|
| 1407 | * @return string|null
|
---|
| 1408 | */
|
---|
| 1409 | function get_previous_posts_link( $label = '« Previous Page' ) {
|
---|
| 1410 | global $paged;
|
---|
| 1411 |
|
---|
| 1412 | if ( !is_single() && $paged > 1 ) {
|
---|
| 1413 | $attr = apply_filters( 'previous_posts_link_attributes', '' );
|
---|
| 1414 | return '<a href="' . previous_posts( false ) . "\" $attr>". preg_replace( '/&([^#])(?![a-z]{1,8};)/', '&$1', $label ) .'</a>';
|
---|
| 1415 | }
|
---|
| 1416 | }
|
---|
| 1417 |
|
---|
| 1418 | /**
|
---|
| 1419 | * Display the previous posts page link.
|
---|
| 1420 | *
|
---|
| 1421 | * @since 0.71
|
---|
| 1422 | * @uses get_previous_posts_link()
|
---|
| 1423 | *
|
---|
| 1424 | * @param string $label Optional. Previous page link text.
|
---|
| 1425 | */
|
---|
| 1426 | function previous_posts_link( $label = '« Previous Page' ) {
|
---|
| 1427 | echo get_previous_posts_link( $label );
|
---|
| 1428 | }
|
---|
| 1429 |
|
---|
| 1430 | /**
|
---|
| 1431 | * Return post pages link navigation for previous and next pages.
|
---|
| 1432 | *
|
---|
| 1433 | * @since 2.8
|
---|
| 1434 | *
|
---|
| 1435 | * @param string|array $args Optional args.
|
---|
| 1436 | * @return string The posts link navigation.
|
---|
| 1437 | */
|
---|
| 1438 | function get_posts_nav_link( $args = array() ) {
|
---|
| 1439 | global $wp_query;
|
---|
| 1440 |
|
---|
| 1441 | $return = '';
|
---|
| 1442 |
|
---|
| 1443 | if ( !is_singular() ) {
|
---|
| 1444 | $defaults = array(
|
---|
| 1445 | 'sep' => ' — ',
|
---|
| 1446 | 'prelabel' => __('« Previous Page'),
|
---|
| 1447 | 'nxtlabel' => __('Next Page »'),
|
---|
| 1448 | );
|
---|
| 1449 | $args = wp_parse_args( $args, $defaults );
|
---|
| 1450 |
|
---|
| 1451 | $max_num_pages = $wp_query->max_num_pages;
|
---|
| 1452 | $paged = get_query_var('paged');
|
---|
| 1453 |
|
---|
| 1454 | //only have sep if there's both prev and next results
|
---|
| 1455 | if ($paged < 2 || $paged >= $max_num_pages) {
|
---|
| 1456 | $args['sep'] = '';
|
---|
| 1457 | }
|
---|
| 1458 |
|
---|
| 1459 | if ( $max_num_pages > 1 ) {
|
---|
| 1460 | $return = get_previous_posts_link($args['prelabel']);
|
---|
| 1461 | $return .= preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $args['sep']);
|
---|
| 1462 | $return .= get_next_posts_link($args['nxtlabel']);
|
---|
| 1463 | }
|
---|
| 1464 | }
|
---|
| 1465 | return $return;
|
---|
| 1466 |
|
---|
| 1467 | }
|
---|
| 1468 |
|
---|
| 1469 | /**
|
---|
| 1470 | * Display post pages link navigation for previous and next pages.
|
---|
| 1471 | *
|
---|
| 1472 | * @since 0.71
|
---|
| 1473 | *
|
---|
| 1474 | * @param string $sep Optional. Separator for posts navigation links.
|
---|
| 1475 | * @param string $prelabel Optional. Label for previous pages.
|
---|
| 1476 | * @param string $nxtlabel Optional Label for next pages.
|
---|
| 1477 | */
|
---|
| 1478 | function posts_nav_link( $sep = '', $prelabel = '', $nxtlabel = '' ) {
|
---|
| 1479 | $args = array_filter( compact('sep', 'prelabel', 'nxtlabel') );
|
---|
| 1480 | echo get_posts_nav_link($args);
|
---|
| 1481 | }
|
---|
| 1482 |
|
---|
| 1483 | /**
|
---|
| 1484 | * Retrieve page numbers links.
|
---|
| 1485 | *
|
---|
| 1486 | * @since 2.7.0
|
---|
| 1487 | *
|
---|
| 1488 | * @param int $pagenum Optional. Page number.
|
---|
| 1489 | * @return string
|
---|
| 1490 | */
|
---|
| 1491 | function get_comments_pagenum_link( $pagenum = 1, $max_page = 0 ) {
|
---|
| 1492 | global $post, $wp_rewrite;
|
---|
| 1493 |
|
---|
| 1494 | $pagenum = (int) $pagenum;
|
---|
| 1495 |
|
---|
| 1496 | $result = get_permalink( $post->ID );
|
---|
| 1497 |
|
---|
| 1498 | if ( 'newest' == get_option('default_comments_page') ) {
|
---|
| 1499 | if ( $pagenum != $max_page ) {
|
---|
| 1500 | if ( $wp_rewrite->using_permalinks() )
|
---|
| 1501 | $result = user_trailingslashit( trailingslashit($result) . 'comment-page-' . $pagenum, 'commentpaged');
|
---|
| 1502 | else
|
---|
| 1503 | $result = add_query_arg( 'cpage', $pagenum, $result );
|
---|
| 1504 | }
|
---|
| 1505 | } elseif ( $pagenum > 1 ) {
|
---|
| 1506 | if ( $wp_rewrite->using_permalinks() )
|
---|
| 1507 | $result = user_trailingslashit( trailingslashit($result) . 'comment-page-' . $pagenum, 'commentpaged');
|
---|
| 1508 | else
|
---|
| 1509 | $result = add_query_arg( 'cpage', $pagenum, $result );
|
---|
| 1510 | }
|
---|
| 1511 |
|
---|
| 1512 | $result .= '#comments';
|
---|
| 1513 |
|
---|
| 1514 | $result = apply_filters('get_comments_pagenum_link', $result);
|
---|
| 1515 |
|
---|
| 1516 | return $result;
|
---|
| 1517 | }
|
---|
| 1518 |
|
---|
| 1519 | /**
|
---|
| 1520 | * Return the link to next comments pages.
|
---|
| 1521 | *
|
---|
| 1522 | * @since 2.7.1
|
---|
| 1523 | *
|
---|
| 1524 | * @param string $label Optional. Label for link text.
|
---|
| 1525 | * @param int $max_page Optional. Max page.
|
---|
| 1526 | * @return string|null
|
---|
| 1527 | */
|
---|
| 1528 | function get_next_comments_link( $label = '', $max_page = 0 ) {
|
---|
| 1529 | global $wp_query;
|
---|
| 1530 |
|
---|
| 1531 | if ( !is_singular() || !get_option('page_comments') )
|
---|
| 1532 | return;
|
---|
| 1533 |
|
---|
| 1534 | $page = get_query_var('cpage');
|
---|
| 1535 |
|
---|
| 1536 | $nextpage = intval($page) + 1;
|
---|
| 1537 |
|
---|
| 1538 | if ( empty($max_page) )
|
---|
| 1539 | $max_page = $wp_query->max_num_comment_pages;
|
---|
| 1540 |
|
---|
| 1541 | if ( empty($max_page) )
|
---|
| 1542 | $max_page = get_comment_pages_count();
|
---|
| 1543 |
|
---|
| 1544 | if ( $nextpage > $max_page )
|
---|
| 1545 | return;
|
---|
| 1546 |
|
---|
| 1547 | if ( empty($label) )
|
---|
| 1548 | $label = __('Newer Comments »');
|
---|
| 1549 |
|
---|
| 1550 | return '<a href="' . esc_url( get_comments_pagenum_link( $nextpage, $max_page ) ) . '" ' . apply_filters( 'next_comments_link_attributes', '' ) . '>'. preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $label) .'</a>';
|
---|
| 1551 | }
|
---|
| 1552 |
|
---|
| 1553 | /**
|
---|
| 1554 | * Display the link to next comments pages.
|
---|
| 1555 | *
|
---|
| 1556 | * @since 2.7.0
|
---|
| 1557 | *
|
---|
| 1558 | * @param string $label Optional. Label for link text.
|
---|
| 1559 | * @param int $max_page Optional. Max page.
|
---|
| 1560 | */
|
---|
| 1561 | function next_comments_link( $label = '', $max_page = 0 ) {
|
---|
| 1562 | echo get_next_comments_link( $label, $max_page );
|
---|
| 1563 | }
|
---|
| 1564 |
|
---|
| 1565 | /**
|
---|
| 1566 | * Return the previous comments page link.
|
---|
| 1567 | *
|
---|
| 1568 | * @since 2.7.1
|
---|
| 1569 | *
|
---|
| 1570 | * @param string $label Optional. Label for comments link text.
|
---|
| 1571 | * @return string|null
|
---|
| 1572 | */
|
---|
| 1573 | function get_previous_comments_link( $label = '' ) {
|
---|
| 1574 | if ( !is_singular() || !get_option('page_comments') )
|
---|
| 1575 | return;
|
---|
| 1576 |
|
---|
| 1577 | $page = get_query_var('cpage');
|
---|
| 1578 |
|
---|
| 1579 | if ( intval($page) <= 1 )
|
---|
| 1580 | return;
|
---|
| 1581 |
|
---|
| 1582 | $prevpage = intval($page) - 1;
|
---|
| 1583 |
|
---|
| 1584 | if ( empty($label) )
|
---|
| 1585 | $label = __('« Older Comments');
|
---|
| 1586 |
|
---|
| 1587 | return '<a href="' . esc_url( get_comments_pagenum_link( $prevpage ) ) . '" ' . apply_filters( 'previous_comments_link_attributes', '' ) . '>' . preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $label) .'</a>';
|
---|
| 1588 | }
|
---|
| 1589 |
|
---|
| 1590 | /**
|
---|
| 1591 | * Display the previous comments page link.
|
---|
| 1592 | *
|
---|
| 1593 | * @since 2.7.0
|
---|
| 1594 | *
|
---|
| 1595 | * @param string $label Optional. Label for comments link text.
|
---|
| 1596 | */
|
---|
| 1597 | function previous_comments_link( $label = '' ) {
|
---|
| 1598 | echo get_previous_comments_link( $label );
|
---|
| 1599 | }
|
---|
| 1600 |
|
---|
| 1601 | /**
|
---|
| 1602 | * Create pagination links for the comments on the current post.
|
---|
| 1603 | *
|
---|
| 1604 | * @see paginate_links()
|
---|
| 1605 | * @since 2.7.0
|
---|
| 1606 | *
|
---|
| 1607 | * @param string|array $args Optional args. See paginate_links.
|
---|
| 1608 | * @return string Markup for pagination links.
|
---|
| 1609 | */
|
---|
| 1610 | function paginate_comments_links($args = array()) {
|
---|
| 1611 | global $wp_query, $wp_rewrite;
|
---|
| 1612 |
|
---|
| 1613 | if ( !is_singular() || !get_option('page_comments') )
|
---|
| 1614 | return;
|
---|
| 1615 |
|
---|
| 1616 | $page = get_query_var('cpage');
|
---|
| 1617 | if ( !$page )
|
---|
| 1618 | $page = 1;
|
---|
| 1619 | $max_page = get_comment_pages_count();
|
---|
| 1620 | $defaults = array(
|
---|
| 1621 | 'base' => add_query_arg( 'cpage', '%#%' ),
|
---|
| 1622 | 'format' => '',
|
---|
| 1623 | 'total' => $max_page,
|
---|
| 1624 | 'current' => $page,
|
---|
| 1625 | 'echo' => true,
|
---|
| 1626 | 'add_fragment' => '#comments'
|
---|
| 1627 | );
|
---|
| 1628 | if ( $wp_rewrite->using_permalinks() )
|
---|
| 1629 | $defaults['base'] = user_trailingslashit(trailingslashit(get_permalink()) . 'comment-page-%#%', 'commentpaged');
|
---|
| 1630 |
|
---|
| 1631 | $args = wp_parse_args( $args, $defaults );
|
---|
| 1632 | $page_links = paginate_links( $args );
|
---|
| 1633 |
|
---|
| 1634 | if ( $args['echo'] )
|
---|
| 1635 | echo $page_links;
|
---|
| 1636 | else
|
---|
| 1637 | return $page_links;
|
---|
| 1638 | }
|
---|
| 1639 |
|
---|
| 1640 | /**
|
---|
| 1641 | * Retrieve shortcut link.
|
---|
| 1642 | *
|
---|
| 1643 | * Use this in 'a' element 'href' attribute.
|
---|
| 1644 | *
|
---|
| 1645 | * @since 2.6.0
|
---|
| 1646 | *
|
---|
| 1647 | * @return string
|
---|
| 1648 | */
|
---|
| 1649 | function get_shortcut_link() {
|
---|
| 1650 | $link = "javascript:
|
---|
| 1651 | var d=document,
|
---|
| 1652 | w=window,
|
---|
| 1653 | e=w.getSelection,
|
---|
| 1654 | k=d.getSelection,
|
---|
| 1655 | x=d.selection,
|
---|
| 1656 | s=(e?e():(k)?k():(x?x.createRange().text:0)),
|
---|
| 1657 | f='" . admin_url('press-this.php') . "',
|
---|
| 1658 | l=d.location,
|
---|
| 1659 | e=encodeURIComponent,
|
---|
| 1660 | g=f+'?u='+e(l.href)+'&t='+e(d.title)+'&s='+e(s)+'&v=2';
|
---|
| 1661 | function a(){
|
---|
| 1662 | if(!w.open(g,'t','toolbar=0,resizable=0,scrollbars=1,status=1,width=720,height=570')){
|
---|
| 1663 | l.href=g;
|
---|
| 1664 | }
|
---|
| 1665 | }";
|
---|
| 1666 | if (strpos($_SERVER['HTTP_USER_AGENT'], 'Firefox') !== false)
|
---|
| 1667 | $link .= 'setTimeout(a,0);';
|
---|
| 1668 | else
|
---|
| 1669 | $link .= 'a();';
|
---|
| 1670 |
|
---|
| 1671 | $link .= "void(0);";
|
---|
| 1672 |
|
---|
| 1673 | $link = str_replace(array("\r", "\n", "\t"), '', $link);
|
---|
| 1674 |
|
---|
| 1675 | return apply_filters('shortcut_link', $link);
|
---|
| 1676 | }
|
---|
| 1677 |
|
---|
| 1678 | /**
|
---|
| 1679 | * Retrieve the site url.
|
---|
| 1680 | *
|
---|
| 1681 | * Returns the 'site_url' option with the appropriate protocol, 'https' if
|
---|
| 1682 | * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is
|
---|
| 1683 | * overridden.
|
---|
| 1684 | *
|
---|
| 1685 | * @package WordPress
|
---|
| 1686 | * @since 2.6.0
|
---|
| 1687 | *
|
---|
| 1688 | * @param string $path Optional. Path relative to the site url.
|
---|
| 1689 | * @param string $scheme Optional. Scheme to give the site url context. Currently 'http','https', 'login', 'login_post', or 'admin'.
|
---|
| 1690 | * @return string Site url link with optional path appended.
|
---|
| 1691 | */
|
---|
| 1692 | function site_url($path = '', $scheme = null) {
|
---|
| 1693 | // should the list of allowed schemes be maintained elsewhere?
|
---|
| 1694 | $orig_scheme = $scheme;
|
---|
| 1695 | if ( !in_array($scheme, array('http', 'https')) ) {
|
---|
| 1696 | if ( ( 'login_post' == $scheme || 'rpc' == $scheme ) && ( force_ssl_login() || force_ssl_admin() ) )
|
---|
| 1697 | $scheme = 'https';
|
---|
| 1698 | elseif ( ('login' == $scheme) && ( force_ssl_admin() ) )
|
---|
| 1699 | $scheme = 'https';
|
---|
| 1700 | elseif ( ('admin' == $scheme) && force_ssl_admin() )
|
---|
| 1701 | $scheme = 'https';
|
---|
| 1702 | else
|
---|
| 1703 | $scheme = ( is_ssl() ? 'https' : 'http' );
|
---|
| 1704 | }
|
---|
| 1705 |
|
---|
| 1706 | $url = str_replace( 'http://', "{$scheme}://", get_option('siteurl') );
|
---|
| 1707 |
|
---|
| 1708 | if ( !empty($path) && is_string($path) && strpos($path, '..') === false )
|
---|
| 1709 | $url .= '/' . ltrim($path, '/');
|
---|
| 1710 |
|
---|
| 1711 | return apply_filters('site_url', $url, $path, $orig_scheme);
|
---|
| 1712 | }
|
---|
| 1713 |
|
---|
| 1714 | /**
|
---|
| 1715 | * Retrieve the url to the admin area.
|
---|
| 1716 | *
|
---|
| 1717 | * @package WordPress
|
---|
| 1718 | * @since 2.6.0
|
---|
| 1719 | *
|
---|
| 1720 | * @param string $path Optional path relative to the admin url
|
---|
| 1721 | * @return string Admin url link with optional path appended
|
---|
| 1722 | */
|
---|
| 1723 | function admin_url($path = '') {
|
---|
| 1724 | $url = site_url('wp-admin/', 'admin');
|
---|
| 1725 |
|
---|
| 1726 | if ( !empty($path) && is_string($path) && strpos($path, '..') === false )
|
---|
| 1727 | $url .= ltrim($path, '/');
|
---|
| 1728 |
|
---|
| 1729 | return apply_filters('admin_url', $url, $path);
|
---|
| 1730 | }
|
---|
| 1731 |
|
---|
| 1732 | /**
|
---|
| 1733 | * Retrieve the url to the includes directory.
|
---|
| 1734 | *
|
---|
| 1735 | * @package WordPress
|
---|
| 1736 | * @since 2.6.0
|
---|
| 1737 | *
|
---|
| 1738 | * @param string $path Optional. Path relative to the includes url.
|
---|
| 1739 | * @return string Includes url link with optional path appended.
|
---|
| 1740 | */
|
---|
| 1741 | function includes_url($path = '') {
|
---|
| 1742 | $url = site_url() . '/' . WPINC . '/';
|
---|
| 1743 |
|
---|
| 1744 | if ( !empty($path) && is_string($path) && strpos($path, '..') === false )
|
---|
| 1745 | $url .= ltrim($path, '/');
|
---|
| 1746 |
|
---|
| 1747 | return apply_filters('includes_url', $url, $path);
|
---|
| 1748 | }
|
---|
| 1749 |
|
---|
| 1750 | /**
|
---|
| 1751 | * Retrieve the url to the content directory.
|
---|
| 1752 | *
|
---|
| 1753 | * @package WordPress
|
---|
| 1754 | * @since 2.6.0
|
---|
| 1755 | *
|
---|
| 1756 | * @param string $path Optional. Path relative to the content url.
|
---|
| 1757 | * @return string Content url link with optional path appended.
|
---|
| 1758 | */
|
---|
| 1759 | function content_url($path = '') {
|
---|
| 1760 | $scheme = ( is_ssl() ? 'https' : 'http' );
|
---|
| 1761 | $url = WP_CONTENT_URL;
|
---|
| 1762 | if ( 0 === strpos($url, 'http') ) {
|
---|
| 1763 | if ( is_ssl() )
|
---|
| 1764 | $url = str_replace( 'http://', "{$scheme}://", $url );
|
---|
| 1765 | }
|
---|
| 1766 |
|
---|
| 1767 | if ( !empty($path) && is_string($path) && strpos($path, '..') === false )
|
---|
| 1768 | $url .= '/' . ltrim($path, '/');
|
---|
| 1769 |
|
---|
| 1770 | return apply_filters('content_url', $url, $path);
|
---|
| 1771 | }
|
---|
| 1772 |
|
---|
| 1773 | /**
|
---|
| 1774 | * Retrieve the url to the plugins directory or to a specific file within that directory.
|
---|
| 1775 | * You can hardcode the plugin slug in $path or pass __FILE__ as a second argument to get the correct folder name.
|
---|
| 1776 | *
|
---|
| 1777 | * @package WordPress
|
---|
| 1778 | * @since 2.6.0
|
---|
| 1779 | *
|
---|
| 1780 | * @param string $path Optional. Path relative to the plugins url.
|
---|
| 1781 | * @param string $plugin Optional. The plugin file that you want to be relative to - i.e. pass in __FILE__
|
---|
| 1782 | * @return string Plugins url link with optional path appended.
|
---|
| 1783 | */
|
---|
| 1784 | function plugins_url($path = '', $plugin = '') {
|
---|
| 1785 | $scheme = ( is_ssl() ? 'https' : 'http' );
|
---|
| 1786 |
|
---|
| 1787 | if ( $plugin !== '' && preg_match('#^' . preg_quote(WPMU_PLUGIN_DIR . DIRECTORY_SEPARATOR, '#') . '#', $plugin) ) {
|
---|
| 1788 | $url = WPMU_PLUGIN_URL;
|
---|
| 1789 | } else {
|
---|
| 1790 | $url = WP_PLUGIN_URL;
|
---|
| 1791 | }
|
---|
| 1792 |
|
---|
| 1793 | if ( 0 === strpos($url, 'http') ) {
|
---|
| 1794 | if ( is_ssl() )
|
---|
| 1795 | $url = str_replace( 'http://', "{$scheme}://", $url );
|
---|
| 1796 | }
|
---|
| 1797 |
|
---|
| 1798 | if ( !empty($plugin) && is_string($plugin) ) {
|
---|
| 1799 | $folder = dirname(plugin_basename($plugin));
|
---|
| 1800 | if ('.' != $folder)
|
---|
| 1801 | $url .= '/' . ltrim($folder, '/');
|
---|
| 1802 | }
|
---|
| 1803 |
|
---|
| 1804 | if ( !empty($path) && is_string($path) && strpos($path, '..') === false )
|
---|
| 1805 | $url .= '/' . ltrim($path, '/');
|
---|
| 1806 |
|
---|
| 1807 | return apply_filters('plugins_url', $url, $path, $plugin);
|
---|
| 1808 | }
|
---|
| 1809 |
|
---|
| 1810 | ?>
|
---|