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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 3 times in this file.
| Line | Code |
|---|---|
| 745 | foreach ( $comment_ids as $comment_id ) { |
| 746 | do_action( 'deleted_comment', $comment_id, $comments[ $comment_id ] ); |
| 747 | unset( $comments[ $comment_id ] ); |
| 748 | } |
| 749 | |
| 750 | clean_comment_cache( $comment_ids ); |
| 751 | do_action( 'akismet_delete_comment_batch', is_countable( $comment_ids ) ? count( $comment_ids ) : 0 ); |
| 752 | } |
| 753 | |
| 754 | if ( apply_filters( 'akismet_optimize_table', ( mt_rand( 1, 5000 ) == 11 ), $wpdb->comments ) ) { // lucky number |
| 755 | $wpdb->query( "OPTIMIZE TABLE {$wpdb->comments}" ); |
| 756 | } |
| 757 | } |
| 758 | |
| 759 | public static function delete_old_comments_meta() { |
| 760 | global $wpdb; |
| 761 | |
| 762 | $interval = apply_filters( 'akismet_delete_commentmeta_interval', 15 ); |
| 763 | |
| Line | Code |
| 778 | |
| 779 | foreach ( $comment_ids as $comment_id ) { |
| 780 | delete_comment_meta( $comment_id, 'akismet_as_submitted' ); |
| 781 | do_action( 'akismet_batch_delete_count', __FUNCTION__ ); |
| 782 | } |
| 783 | |
| 784 | do_action( 'akismet_delete_commentmeta_batch', is_countable( $comment_ids ) ? count( $comment_ids ) : 0 ); |
| 785 | } |
| 786 | |
| 787 | if ( apply_filters( 'akismet_optimize_table', ( mt_rand( 1, 5000 ) == 11 ), $wpdb->commentmeta ) ) { // lucky number |
| 788 | $wpdb->query( "OPTIMIZE TABLE {$wpdb->commentmeta}" ); |
| 789 | } |
| 790 | } |
| 791 | |
| 792 | // Clear out comments meta that no longer have corresponding comments in the database |
| 793 | public static function delete_orphaned_commentmeta() { |
| 794 | global $wpdb; |
| 795 | |
| 796 | $last_meta_id = 0; |
| Line | Code |
| 818 | |
| 819 | do_action( 'akismet_delete_commentmeta_batch', $commentmeta_deleted ); |
| 820 | |
| 821 | // If we're getting close to max_execution_time, quit for this round. |
| 822 | if ( microtime( true ) - $start_time > $max_exec_time ) { |
| 823 | return; |
| 824 | } |
| 825 | } |
| 826 | |
| 827 | if ( apply_filters( 'akismet_optimize_table', ( mt_rand( 1, 5000 ) == 11 ), $wpdb->commentmeta ) ) { // lucky number |
| 828 | $wpdb->query( "OPTIMIZE TABLE {$wpdb->commentmeta}" ); |
| 829 | } |
| 830 | } |
| 831 | |
| 832 | // how many approved comments does this author have? |
| 833 | public static function get_user_comments_approved( $user_id, $comment_author_email, $comment_author, $comment_author_url ) { |
| 834 | global $wpdb; |
| 835 | |
| 836 | /** |