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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 |
---|---|
459 | return; |
460 |
|
461 | $wpdb->queries = array(); |
462 |
|
463 | foreach ( $comment_ids as $comment_id ) { |
464 | delete_comment_meta( $comment_id, 'akismet_as_submitted' ); |
465 | do_action( 'akismet_batch_delete_count', __FUNCTION__ ); |
466 | } |
467 |
|
468 | do_action( 'akismet_delete_commentmeta_batch', count( $comment_ids ) ); |
469 | } |
470 |
|
471 | if ( apply_filters( 'akismet_optimize_table', ( mt_rand(1, 5000) == 11), $wpdb->commentmeta ) ) // lucky number |
472 | $wpdb->query("OPTIMIZE TABLE {$wpdb->commentmeta}"); |
473 | } |
474 |
|
475 | // Clear out comments meta that no longer have corresponding comments in the database |
476 | public static function delete_orphaned_commentmeta() { |
477 | global $wpdb; |
Line | Code |
492 | if ( 'akismet_' == substr( $commentmeta->meta_key, 0, 8 ) ) { |
493 | delete_comment_meta( $commentmeta->comment_id, $commentmeta->meta_key ); |
494 | do_action( 'akismet_batch_delete_count', __FUNCTION__ ); |
495 | $commentmeta_deleted++; |
496 | } |
497 |
|
498 | $last_meta_id = $commentmeta->meta_id; |
499 | } |
500 |
|
501 | do_action( 'akismet_delete_commentmeta_batch', $commentmeta_deleted ); |
502 |
|
503 | // If we're getting close to max_execution_time, quit for this round. |
504 | if ( microtime(true) - $start_time > $max_exec_time ) |
505 | return; |
506 | } |
507 |
|
508 | if ( apply_filters( 'akismet_optimize_table', ( mt_rand(1, 5000) == 11), $wpdb->commentmeta ) ) // lucky number |
509 | $wpdb->query("OPTIMIZE TABLE {$wpdb->commentmeta}"); |
510 | } |