[44] | 1 | <?php
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| 2 | /**
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| 3 | * Author Template functions for use in themes.
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| 4 | *
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| 5 | * These functions must be used within the WordPress Loop.
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| 6 | *
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| 7 | * @link http://codex.wordpress.org/Author_Templates
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| 8 | *
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| 9 | * @package WordPress
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| 10 | * @subpackage Template
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| 11 | */
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| 12 |
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| 13 | /**
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| 14 | * Retrieve the author of the current post.
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| 15 | *
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| 16 | * @since 1.5
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| 17 | * @uses $authordata The current author's DB object.
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| 18 | * @uses apply_filters() Calls 'the_author' hook on the author display name.
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| 19 | *
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| 20 | * @param string $deprecated Deprecated.
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| 21 | * @return string The author's display name.
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| 22 | */
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| 23 | function get_the_author($deprecated = '') {
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| 24 | global $authordata;
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| 25 | return apply_filters('the_author', $authordata->display_name);
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| 26 | }
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| 27 |
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| 28 | /**
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| 29 | * Display the name of the author of the current post.
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| 30 | *
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| 31 | * The behavior of this function is based off of old functionality predating
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| 32 | * get_the_author(). This function is not deprecated, but is designed to echo
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| 33 | * the value from get_the_author() and as an result of any old theme that might
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| 34 | * still use the old behavior will also pass the value from get_the_author().
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| 35 | *
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| 36 | * The normal, expected behavior of this function is to echo the author and not
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| 37 | * return it. However, backwards compatiability has to be maintained.
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| 38 | *
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| 39 | * @since 0.71
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| 40 | * @see get_the_author()
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| 41 | * @link http://codex.wordpress.org/Template_Tags/the_author
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| 42 | *
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| 43 | * @param string $deprecated Deprecated.
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| 44 | * @param string $deprecated_echo Echo the string or return it.
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| 45 | * @return string The author's display name, from get_the_author().
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| 46 | */
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| 47 | function the_author($deprecated = '', $deprecated_echo = true) {
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| 48 | if ( $deprecated_echo )
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| 49 | echo get_the_author();
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| 50 | return get_the_author();
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| 51 | }
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| 52 |
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| 53 | /**
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| 54 | * Retrieve the author who last edited the current post.
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| 55 | *
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| 56 | * @since 2.8
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| 57 | * @uses $post The current post's DB object.
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| 58 | * @uses get_post_meta() Retrieves the ID of the author who last edited the current post.
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| 59 | * @uses get_userdata() Retrieves the author's DB object.
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| 60 | * @uses apply_filters() Calls 'the_modified_author' hook on the author display name.
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| 61 | * @return string The author's display name.
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| 62 | */
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| 63 | function get_the_modified_author() {
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| 64 | global $post;
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| 65 | if ( $last_id = get_post_meta($post->ID, '_edit_last', true) ) {
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| 66 | $last_user = get_userdata($last_id);
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| 67 | return apply_filters('the_modified_author', $last_user->display_name);
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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 | * Display the name of the author who last edited the current post.
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| 73 | *
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| 74 | * @since 2.8
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| 75 | * @see get_the_author()
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| 76 | * @return string The author's display name, from get_the_modified_author().
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| 77 | */
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| 78 | function the_modified_author() {
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| 79 | echo get_the_modified_author();
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| 80 | }
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| 81 |
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| 82 | /**
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| 83 | * Retrieve the requested data of the author of the current post.
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| 84 | * @link http://codex.wordpress.org/Template_Tags/the_author_meta
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| 85 | * @since 2.8.0
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| 86 | * @uses $authordata The current author's DB object (if $user_id not specified).
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| 87 | * @param string $field selects the field of the users record.
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| 88 | * @param int $user_id Optional. User ID.
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| 89 | * @return string The author's field from the current author's DB object.
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| 90 | */
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| 91 | function get_the_author_meta($field = '', $user_id = false) {
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| 92 | if ( ! $user_id )
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| 93 | global $authordata;
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| 94 | else
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| 95 | $authordata = get_userdata( $user_id );
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| 96 |
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| 97 | $field = strtolower($field);
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| 98 | $user_field = "user_$field";
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| 99 |
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| 100 | if ( 'id' == $field )
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| 101 | $value = isset($authordata->ID) ? (int)$authordata->ID : 0;
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| 102 | elseif ( isset($authordata->$user_field) )
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| 103 | $value = $authordata->$user_field;
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| 104 | else
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| 105 | $value = isset($authordata->$field) ? $authordata->$field : '';
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| 106 |
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| 107 | return apply_filters('get_the_author_' . $field, $value);
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| 108 | }
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| 109 |
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| 110 | /**
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| 111 | * Retrieve the requested data of the author of the current post.
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| 112 | * @link http://codex.wordpress.org/Template_Tags/the_author_meta
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| 113 | * @since 2.8.0
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| 114 | * @param string $field selects the field of the users record.
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| 115 | * @param int $user_id Optional. User ID.
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| 116 | * @echo string The author's field from the current author's DB object.
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| 117 | */
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| 118 | function the_author_meta($field = '', $user_id = false) {
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| 119 | echo apply_filters('the_author_' . $field, get_the_author_meta($field, $user_id));
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| 120 | }
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| 121 |
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| 122 | /**
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| 123 | * Display either author's link or author's name.
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| 124 | *
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| 125 | * If the author has a home page set, echo an HTML link, otherwise just echo the
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| 126 | * author's name.
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| 127 | *
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| 128 | * @link http://codex.wordpress.org/Template_Tags/the_author_link
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| 129 | * @since 2.1
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| 130 | * @uses get_the_author_meta()
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| 131 | * @uses the_author()
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| 132 | */
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| 133 | function the_author_link() {
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| 134 | if ( get_the_author_meta('url') ) {
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| 135 | echo '<a href="' . get_the_author_meta('url') . '" title="' . sprintf(__("Visit %s’s website"), get_the_author()) . '" rel="external">' . get_the_author() . '</a>';
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| 136 | } else {
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| 137 | the_author();
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| 138 | }
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| 139 | }
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| 140 |
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| 141 | /**
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| 142 | * Retrieve the number of posts by the author of the current post.
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| 143 | *
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| 144 | * @since 1.5
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| 145 | * @uses $post The current post in the Loop's DB object.
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| 146 | * @uses get_usernumposts()
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| 147 | * @return int The number of posts by the author.
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| 148 | */
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| 149 | function get_the_author_posts() {
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| 150 | global $post;
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| 151 | return get_usernumposts($post->post_author);
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| 152 | }
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| 153 |
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| 154 | /**
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| 155 | * Display the number of posts by the author of the current post.
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| 156 | *
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| 157 | * @link http://codex.wordpress.org/Template_Tags/the_author_posts
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| 158 | * @since 0.71
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| 159 | * @uses get_the_author_posts() Echos returned value from function.
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| 160 | */
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| 161 | function the_author_posts() {
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| 162 | echo get_the_author_posts();
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| 163 | }
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| 164 |
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| 165 | /**
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| 166 | * Display an HTML link to the author page of the author of the current post.
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| 167 | *
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| 168 | * Does just echo get_author_posts_url() function, like the others do. The
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| 169 | * reason for this, is that another function is used to help in printing the
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| 170 | * link to the author's posts.
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| 171 | *
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| 172 | * @link http://codex.wordpress.org/Template_Tags/the_author_posts_link
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| 173 | * @since 1.2.0
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| 174 | * @uses $authordata The current author's DB object.
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| 175 | * @uses get_author_posts_url()
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| 176 | * @uses get_the_author()
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| 177 | * @param string $deprecated Deprecated.
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| 178 | */
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| 179 | function the_author_posts_link($deprecated = '') {
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| 180 | global $authordata;
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| 181 | printf(
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| 182 | '<a href="%1$s" title="%2$s">%3$s</a>',
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| 183 | get_author_posts_url( $authordata->ID, $authordata->user_nicename ),
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| 184 | sprintf( __( 'Posts by %s' ), esc_attr( get_the_author() ) ),
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| 185 | get_the_author()
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| 186 | );
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| 187 | }
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| 188 |
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| 189 | /**
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| 190 | * Retrieve the URL to the author page of the author of the current post.
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| 191 | *
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| 192 | * @since 2.1.0
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| 193 | * @uses $wp_rewrite WP_Rewrite
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| 194 | * @return string The URL to the author's page.
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| 195 | */
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| 196 | function get_author_posts_url($author_id, $author_nicename = '') {
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| 197 | global $wp_rewrite;
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| 198 | $auth_ID = (int) $author_id;
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| 199 | $link = $wp_rewrite->get_author_permastruct();
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| 200 |
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| 201 | if ( empty($link) ) {
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| 202 | $file = get_option('home') . '/';
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| 203 | $link = $file . '?author=' . $auth_ID;
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| 204 | } else {
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| 205 | if ( '' == $author_nicename ) {
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| 206 | $user = get_userdata($author_id);
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| 207 | if ( !empty($user->user_nicename) )
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| 208 | $author_nicename = $user->user_nicename;
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| 209 | }
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| 210 | $link = str_replace('%author%', $author_nicename, $link);
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| 211 | $link = get_option('home') . trailingslashit($link);
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| 212 | }
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| 213 |
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| 214 | $link = apply_filters('author_link', $link, $author_id, $author_nicename);
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| 215 |
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| 216 | return $link;
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| 217 | }
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| 218 |
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| 219 | /**
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| 220 | * List all the authors of the blog, with several options available.
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| 221 | *
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| 222 | * <ul>
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| 223 | * <li>optioncount (boolean) (false): Show the count in parenthesis next to the
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| 224 | * author's name.</li>
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| 225 | * <li>exclude_admin (boolean) (true): Exclude the 'admin' user that is
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| 226 | * installed bydefault.</li>
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| 227 | * <li>show_fullname (boolean) (false): Show their full names.</li>
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| 228 | * <li>hide_empty (boolean) (true): Don't show authors without any posts.</li>
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| 229 | * <li>feed (string) (''): If isn't empty, show links to author's feeds.</li>
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| 230 | * <li>feed_image (string) (''): If isn't empty, use this image to link to
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| 231 | * feeds.</li>
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| 232 | * <li>echo (boolean) (true): Set to false to return the output, instead of
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| 233 | * echoing.</li>
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| 234 | * <li>style (string) ('list'): Whether to display list of authors in list form
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| 235 | * or as a string.</li>
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| 236 | * <li>html (bool) (true): Whether to list the items in html for or plaintext.
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| 237 | * </li>
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| 238 | * </ul>
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| 239 | *
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| 240 | * @link http://codex.wordpress.org/Template_Tags/wp_list_authors
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| 241 | * @since 1.2.0
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| 242 | * @param array $args The argument array.
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| 243 | * @return null|string The output, if echo is set to false.
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| 244 | */
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| 245 | function wp_list_authors($args = '') {
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| 246 | global $wpdb;
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| 247 |
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| 248 | $defaults = array(
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| 249 | 'optioncount' => false, 'exclude_admin' => true,
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| 250 | 'show_fullname' => false, 'hide_empty' => true,
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| 251 | 'feed' => '', 'feed_image' => '', 'feed_type' => '', 'echo' => true,
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| 252 | 'style' => 'list', 'html' => true
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| 253 | );
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| 254 |
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| 255 | $r = wp_parse_args( $args, $defaults );
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| 256 | extract($r, EXTR_SKIP);
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| 257 | $return = '';
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| 258 |
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| 259 | /** @todo Move select to get_authors(). */
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| 260 | $authors = $wpdb->get_results("SELECT ID, user_nicename from $wpdb->users " . ($exclude_admin ? "WHERE user_login <> 'admin' " : '') . "ORDER BY display_name");
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| 261 |
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| 262 | $author_count = array();
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| 263 | foreach ((array) $wpdb->get_results("SELECT DISTINCT post_author, COUNT(ID) AS count FROM $wpdb->posts WHERE post_type = 'post' AND " . get_private_posts_cap_sql( 'post' ) . " GROUP BY post_author") as $row) {
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| 264 | $author_count[$row->post_author] = $row->count;
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| 265 | }
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| 266 |
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| 267 | foreach ( (array) $authors as $author ) {
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| 268 |
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| 269 | $link = '';
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| 270 |
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| 271 | $author = get_userdata( $author->ID );
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| 272 | $posts = (isset($author_count[$author->ID])) ? $author_count[$author->ID] : 0;
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| 273 | $name = $author->display_name;
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| 274 |
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| 275 | if ( $show_fullname && ($author->first_name != '' && $author->last_name != '') )
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| 276 | $name = "$author->first_name $author->last_name";
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| 277 |
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| 278 | if( !$html ) {
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| 279 | if ( $posts == 0 ) {
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| 280 | if ( ! $hide_empty )
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| 281 | $return .= $name . ', ';
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| 282 | } else
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| 283 | $return .= $name . ', ';
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| 284 |
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| 285 | // No need to go further to process HTML.
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| 286 | continue;
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| 287 | }
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| 288 |
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| 289 | if ( !($posts == 0 && $hide_empty) && 'list' == $style )
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| 290 | $return .= '<li>';
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| 291 | if ( $posts == 0 ) {
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| 292 | if ( ! $hide_empty )
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| 293 | $link = $name;
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| 294 | } else {
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| 295 | $link = '<a href="' . get_author_posts_url($author->ID, $author->user_nicename) . '" title="' . sprintf(__("Posts by %s"), esc_attr($author->display_name)) . '">' . $name . '</a>';
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| 296 |
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| 297 | if ( (! empty($feed_image)) || (! empty($feed)) ) {
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| 298 | $link .= ' ';
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| 299 | if (empty($feed_image))
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| 300 | $link .= '(';
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| 301 | $link .= '<a href="' . get_author_feed_link($author->ID) . '"';
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| 302 |
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| 303 | if ( !empty($feed) ) {
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| 304 | $title = ' title="' . $feed . '"';
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| 305 | $alt = ' alt="' . $feed . '"';
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| 306 | $name = $feed;
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| 307 | $link .= $title;
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| 308 | }
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| 309 |
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| 310 | $link .= '>';
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| 311 |
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| 312 | if ( !empty($feed_image) )
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| 313 | $link .= "<img src=\"$feed_image\" style=\"border: none;\"$alt$title" . ' />';
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| 314 | else
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| 315 | $link .= $name;
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| 316 |
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| 317 | $link .= '</a>';
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| 318 |
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| 319 | if ( empty($feed_image) )
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| 320 | $link .= ')';
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| 321 | }
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| 322 |
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| 323 | if ( $optioncount )
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| 324 | $link .= ' ('. $posts . ')';
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| 325 |
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| 326 | }
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| 327 |
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| 328 | if ( !($posts == 0 && $hide_empty) && 'list' == $style )
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| 329 | $return .= $link . '</li>';
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| 330 | else if ( ! $hide_empty )
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| 331 | $return .= $link . ', ';
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| 332 | }
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| 333 |
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| 334 | $return = trim($return, ', ');
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| 335 |
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| 336 | if ( ! $echo )
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| 337 | return $return;
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| 338 | echo $return;
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| 339 | }
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| 340 |
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| 341 | ?>
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