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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 2 times in this file.
Line | Code |
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100 | } |
101 |
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102 | function wp_filter_comment($commentdata) { |
103 | $commentdata['user_id'] = apply_filters('pre_user_id', $commentdata['user_ID']); |
104 | $commentdata['comment_agent'] = apply_filters('pre_comment_user_agent', $commentdata['comment_agent']); |
105 | $commentdata['comment_author'] = apply_filters('pre_comment_author_name', $commentdata['comment_author']); |
106 | $commentdata['comment_content'] = apply_filters('pre_comment_content', $commentdata['comment_content']); |
107 | $commentdata['comment_author_IP'] = apply_filters('pre_comment_user_ip', $commentdata['comment_author_IP']); |
108 | $commentdata['comment_author_url'] = apply_filters('pre_comment_author_url', $commentdata['comment_author_url']); |
109 | $commentdata['comment_author_email'] = apply_filters('pre_comment_author_email', $commentdata['comment_author_email']); |
110 | $commentdata['filtered'] = true; |
111 | return $commentdata; |
112 | } |
113 |
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114 | function wp_allow_comment($commentdata) { |
115 | global $wpdb; |
116 | extract($commentdata); |
117 |
|
118 | // Simple duplicate check |
Line | Code |
891 | function sanitize_comment_cookies() { |
892 | if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) ) { |
893 | $comment_author = apply_filters('pre_comment_author_name', $_COOKIE['comment_author_'.COOKIEHASH]); |
894 | $comment_author = stripslashes($comment_author); |
895 | $comment_author = attribute_escape($comment_author); |
896 | $_COOKIE['comment_author_'.COOKIEHASH] = $comment_author; |
897 | } |
898 |
|
899 | if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) ) { |
900 | $comment_author_email = apply_filters('pre_comment_author_email', $_COOKIE['comment_author_email_'.COOKIEHASH]); |
901 | $comment_author_email = stripslashes($comment_author_email); |
902 | $comment_author_email = attribute_escape($comment_author_email); |
903 | $_COOKIE['comment_author_email_'.COOKIEHASH] = $comment_author_email; |
904 | } |
905 |
|
906 | if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) ) { |
907 | $comment_author_url = apply_filters('pre_comment_author_url', $_COOKIE['comment_author_url_'.COOKIEHASH]); |
908 | $comment_author_url = stripslashes($comment_author_url); |
909 | $comment_author_url = attribute_escape($comment_author_url); |