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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.
Line | Code |
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645 | $tb_url = trim($tb_url); |
646 | trackback($tb_url, stripslashes($post_title), $excerpt, $post_id); |
647 | } |
648 | } |
649 | } |
650 |
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651 | function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) { |
652 | global $wpdb; |
653 |
|
654 | do_action('wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent); |
655 |
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656 | if ( preg_match_all('/&#(\d+);/', $comment . $author . $url, $chars) ) { |
657 | foreach ($chars[1] as $char) { |
658 | // If it's an encoded char in the normal ASCII set, reject |
659 | if ($char < 128) |
660 | return true; |
661 | } |
662 | } |
663 |
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