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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 |
|---|---|
| 442 | $value['description'] = sanitize_text_field( $value['description'] ); |
| 443 | $value['parent'] = max( 0, intval( $value['parent'] ) ); |
| 444 | $value['auto_add'] = ! empty( $value['auto_add'] ); |
| 445 | |
| 446 | if ( '' === $value['name'] ) { |
| 447 | $value['name'] = _x( '(unnamed)', 'Missing menu name.' ); |
| 448 | } |
| 449 | |
| 450 | /** This filter is documented in wp-includes/class-wp-customize-setting.php */ |
| 451 | return apply_filters( "customize_sanitize_{$this->id}", $value, $this ); |
| 452 | } |
| 453 | |
| 454 | /** |
| 455 | * Storage for data to be sent back to client in customize_save_response filter. |
| 456 | * |
| 457 | * See {@see 'customize_save_response'}. |
| 458 | * |
| 459 | * @access protected |
| 460 | * @since 4.3.0 |