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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 |
---|---|
373 |
|
374 | if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) ) { |
375 | $comment_author_email = apply_filters('pre_comment_author_email', $_COOKIE['comment_author_email_'.COOKIEHASH]); |
376 | $comment_author_email = stripslashes($comment_author_email); |
377 | $comment_author_email = attribute_escape($comment_author_email); |
378 | $_COOKIE['comment_author_email_'.COOKIEHASH] = $comment_author_email; |
379 | } |
380 |
|
381 | if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) ) { |
382 | $comment_author_url = apply_filters('pre_comment_author_url', $_COOKIE['comment_author_url_'.COOKIEHASH]); |
383 | $comment_author_url = stripslashes($comment_author_url); |
384 | $_COOKIE['comment_author_url_'.COOKIEHASH] = $comment_author_url; |
385 | } |
386 | } |
387 |
|
388 | /** |
389 | * Validates whether this comment is allowed to be made or not. |
390 | * |
391 | * @since 2.0.0 |
Line | Code |
910 | * @param array $commentdata Contains information on the comment. |
911 | * @return array Parsed comment information. |
912 | */ |
913 | function wp_filter_comment($commentdata) { |
914 | $commentdata['user_id'] = apply_filters('pre_user_id', $commentdata['user_ID']); |
915 | $commentdata['comment_agent'] = apply_filters('pre_comment_user_agent', $commentdata['comment_agent']); |
916 | $commentdata['comment_author'] = apply_filters('pre_comment_author_name', $commentdata['comment_author']); |
917 | $commentdata['comment_content'] = apply_filters('pre_comment_content', $commentdata['comment_content']); |
918 | $commentdata['comment_author_IP'] = apply_filters('pre_comment_user_ip', $commentdata['comment_author_IP']); |
919 | $commentdata['comment_author_url'] = apply_filters('pre_comment_author_url', $commentdata['comment_author_url']); |
920 | $commentdata['comment_author_email'] = apply_filters('pre_comment_author_email', $commentdata['comment_author_email']); |
921 | $commentdata['filtered'] = true; |
922 | return $commentdata; |
923 | } |
924 |
|
925 | /** |
926 | * Whether comment should be blocked because of comment flood. |
927 | * |
928 | * @since 2.1.0 |