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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 |
|---|---|
| 633 | // Everyone else's comments will be checked. |
| 634 | if ( check_comment($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent, $comment_type) ) |
| 635 | $approved = 1; |
| 636 | else |
| 637 | $approved = 0; |
| 638 | if ( wp_blacklist_check($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent) ) |
| 639 | $approved = 'spam'; |
| 640 | } |
| 641 | |
| 642 | $approved = apply_filters( 'pre_comment_approved', $approved, $commentdata ); |
| 643 | return $approved; |
| 644 | } |
| 645 | |
| 646 | /** |
| 647 | * Check whether comment flooding is occurring. |
| 648 | * |
| 649 | * Won't run, if current user can manage options, so to not block |
| 650 | * administrators. |
| 651 | * |