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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 |
|---|---|
| 428 | // Everyone else's comments will be checked. |
| 429 | if ( check_comment($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent, $comment_type) ) |
| 430 | $approved = 1; |
| 431 | else |
| 432 | $approved = 0; |
| 433 | if ( wp_blacklist_check($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent) ) |
| 434 | $approved = 'spam'; |
| 435 | } |
| 436 | |
| 437 | $approved = apply_filters('pre_comment_approved', $approved); |
| 438 | return $approved; |
| 439 | } |
| 440 | |
| 441 | /** |
| 442 | * Check whether comment flooding is occurring. |
| 443 | * |
| 444 | * Won't run, if current user can manage options, so to not block |
| 445 | * administrators. |
| 446 | * |