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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 |
---|---|
645 | // Everyone else's comments will be checked. |
646 | if ( check_comment($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent, $comment_type) ) |
647 | $approved = 1; |
648 | else |
649 | $approved = 0; |
650 | if ( wp_blacklist_check($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent) ) |
651 | $approved = 'spam'; |
652 | } |
653 |
|
654 | $approved = apply_filters( 'pre_comment_approved', $approved, $commentdata ); |
655 | return $approved; |
656 | } |
657 |
|
658 | /** |
659 | * Check whether comment flooding is occurring. |
660 | * |
661 | * Won't run, if current user can manage options, so to not block |
662 | * administrators. |
663 | * |