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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 |
|---|---|
| 2597 | * |
| 2598 | * This filter does not apply if there was a nonce or authentication failure. |
| 2599 | * |
| 2600 | * @since 4.2.0 |
| 2601 | * |
| 2602 | * @param array $response Additional information passed back to the 'saved' |
| 2603 | * event on `wp.customize`. |
| 2604 | * @param WP_Customize_Manager $manager WP_Customize_Manager instance. |
| 2605 | */ |
| 2606 | $response = apply_filters( 'customize_save_response', $response, $this ); |
| 2607 | |
| 2608 | if ( is_wp_error( $r ) ) { |
| 2609 | wp_send_json_error( $response ); |
| 2610 | } else { |
| 2611 | wp_send_json_success( $response ); |
| 2612 | } |
| 2613 | } |
| 2614 | |
| 2615 | /** |