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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 |
---|---|
1370 | ); |
1371 | if ( $wpdb->get_var( $dupe ) ) { |
1372 | /** |
1373 | * Fires immediately after a duplicate comment is detected. |
1374 | * |
1375 | * @since 3.0.0 |
1376 | * |
1377 | * @param array $commentdata Comment data. |
1378 | */ |
1379 | do_action( 'comment_duplicate_trigger', $commentdata ); |
1380 | if ( defined( 'DOING_AJAX' ) ) { |
1381 | die( __('Duplicate comment detected; it looks as though you’ve already said that!') ); |
1382 | } |
1383 | wp_die( __( 'Duplicate comment detected; it looks as though you’ve already said that!' ), 409 ); |
1384 | } |
1385 |
|
1386 | /** |
1387 | * Fires immediately before a comment is marked approved. |
1388 | * |