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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 3 times in this file.
| Line | Code |
|---|---|
| 111 | } |
| 112 | |
| 113 | function comment_author_email() { |
| 114 | global $comment; |
| 115 | echo apply_filters('author_email', $comment->comment_author_email); |
| 116 | } |
| 117 | |
| 118 | function comment_author_link() { |
| 119 | global $comment; |
| 120 | $url = apply_filters('comment_url', $comment->comment_author_url); |
| 121 | $author = apply_filters('comment_author', $comment->comment_author); |
| 122 | if (!$author) $author = 'Anonymous'; |
| 123 | |
| 124 | if (empty($url)) : |
| 125 | echo $author; |
| 126 | else: |
| 127 | echo "<a href='$url' rel='external'>$author</a>"; |
| 128 | endif; |
| 129 | } |
| Line | Code |
| 134 | echo $trackbacktxt; |
| 135 | elseif (preg_match('|<pingback />|', $comment->comment_content)) |
| 136 | echo $pingbacktxt; |
| 137 | else |
| 138 | echo $commenttxt; |
| 139 | } |
| 140 | |
| 141 | function comment_author_url() { |
| 142 | global $comment; |
| 143 | echo apply_filters('comment_url', $comment->comment_author_url); |
| 144 | } |
| 145 | |
| 146 | function comment_author_email_link($linktext='', $before='', $after='') { |
| 147 | global $comment; |
| 148 | $email = apply_filters('comment_email', $comment->comment_author_email); |
| 149 | if ((!empty($email)) && ($email != '@')) { |
| 150 | $display = ($linktext != '') ? $linktext : stripslashes($email); |
| 151 | echo $before; |
| 152 | echo "<a href='mailto:$email'>$display</a>"; |
| 153 | echo $after; |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | function comment_author_url_link($linktext='', $before='', $after='') { |
| 158 | global $comment; |
| 159 | $url = apply_filters('comment_url', $comment->comment_author_url); |
| 160 | |
| 161 | if ((!empty($url)) && ($url != 'http://') && ($url != 'http://url')) { |
| 162 | $display = ($linktext != '') ? $linktext : stripslashes($url); |
| 163 | echo "$before<a href='$url' rel='external'>$display</a>$after"; |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | function comment_author_IP() { |
| 168 | global $comment; |