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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 |
---|---|
416 | return; |
417 |
|
418 | $wpdb->queries = array(); |
419 |
|
420 | foreach ( $comment_ids as $comment_id ) { |
421 | delete_comment_meta( $comment_id, 'akismet_as_submitted' ); |
422 | do_action( 'akismet_batch_delete_count', __FUNCTION__ ); |
423 | } |
424 |
|
425 | do_action( 'akismet_delete_commentmeta_batch', count( $comment_ids ) ); |
426 | } |
427 |
|
428 | if ( apply_filters( 'akismet_optimize_table', ( mt_rand(1, 5000) == 11), $wpdb->commentmeta ) ) // lucky number |
429 | $wpdb->query("OPTIMIZE TABLE {$wpdb->commentmeta}"); |
430 | } |
431 |
|
432 | // Clear out comments meta that no longer have corresponding comments in the database |
433 | public static function delete_orphaned_commentmeta() { |
434 | global $wpdb; |
Line | Code |
449 | if ( 'akismet_' == substr( $commentmeta->meta_key, 0, 8 ) ) { |
450 | delete_comment_meta( $commentmeta->comment_id, $commentmeta->meta_key ); |
451 | do_action( 'akismet_batch_delete_count', __FUNCTION__ ); |
452 | $commentmeta_deleted++; |
453 | } |
454 |
|
455 | $last_meta_id = $commentmeta->meta_id; |
456 | } |
457 |
|
458 | do_action( 'akismet_delete_commentmeta_batch', $commentmeta_deleted ); |
459 |
|
460 | // If we're getting close to max_execution_time, quit for this round. |
461 | if ( microtime(true) - $start_time > $max_exec_time ) |
462 | return; |
463 | } |
464 |
|
465 | if ( apply_filters( 'akismet_optimize_table', ( mt_rand(1, 5000) == 11), $wpdb->commentmeta ) ) // lucky number |
466 | $wpdb->query("OPTIMIZE TABLE {$wpdb->commentmeta}"); |
467 | } |