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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 349 | |
| 350 | $comma_comment_ids = implode( ', ', array_map('intval', $comment_ids) ); |
| 351 | |
| 352 | $wpdb->query("DELETE FROM {$wpdb->comments} WHERE comment_id IN ( $comma_comment_ids )"); |
| 353 | $wpdb->query("DELETE FROM {$wpdb->commentmeta} WHERE comment_id IN ( $comma_comment_ids )"); |
| 354 | |
| 355 | clean_comment_cache( $comment_ids ); |
| 356 | } |
| 357 | |
| 358 | if ( apply_filters( 'akismet_optimize_table', ( mt_rand(1, 5000) == 11), $wpdb->comments ) ) // lucky number |
| 359 | $wpdb->query("OPTIMIZE TABLE {$wpdb->comments}"); |
| 360 | } |
| 361 | |
| 362 | public static function delete_old_comments_meta() { |
| 363 | global $wpdb; |
| 364 | |
| 365 | $interval = apply_filters( 'akismet_delete_commentmeta_interval', 15 ); |
| 366 | |
| 367 | # enfore a minimum of 1 day |
| Line | Code |
| 376 | return; |
| 377 | |
| 378 | $wpdb->queries = array(); |
| 379 | |
| 380 | foreach ( $comment_ids as $comment_id ) { |
| 381 | delete_comment_meta( $comment_id, 'akismet_as_submitted' ); |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | if ( apply_filters( 'akismet_optimize_table', ( mt_rand(1, 5000) == 11), $wpdb->commentmeta ) ) // lucky number |
| 386 | $wpdb->query("OPTIMIZE TABLE {$wpdb->commentmeta}"); |
| 387 | } |
| 388 | |
| 389 | // how many approved comments does this author have? |
| 390 | public static function get_user_comments_approved( $user_id, $comment_author_email, $comment_author, $comment_author_url ) { |
| 391 | global $wpdb; |
| 392 | |
| 393 | if ( !empty( $user_id ) ) |
| 394 | return (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM {$wpdb->comments} WHERE user_id = %d AND comment_approved = 1", $user_id ) ); |