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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 |
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464 | * Fires when the WP_Customize_Setting::save() method is called. |
465 | * |
466 | * The dynamic portion of the hook name, `$this->id_data['base']` refers to |
467 | * the base slug of the setting name. |
468 | * |
469 | * @since 3.4.0 |
470 | * |
471 | * @param WP_Customize_Setting $this {@see WP_Customize_Setting} instance. |
472 | */ |
473 | do_action( 'customize_save_' . $this->id_data[ 'base' ], $this ); |
474 |
|
475 | $this->update( $value ); |
476 | } |
477 |
|
478 | /** |
479 | * Fetch and sanitize the $_POST value for the setting. |
480 | * |
481 | * @since 3.4.0 |
482 | * |