class-wp-customize-header-image-setting.php (1650B)
1 <?php 2 /** 3 * Customize API: WP_Customize_Header_Image_Setting class 4 * 5 * @package WordPress 6 * @subpackage Customize 7 * @since 4.4.0 8 */ 9 10 /** 11 * A setting that is used to filter a value, but will not save the results. 12 * 13 * Results should be properly handled using another setting or callback. 14 * 15 * @since 3.4.0 16 * 17 * @see WP_Customize_Setting 18 */ 19 final class WP_Customize_Header_Image_Setting extends WP_Customize_Setting { 20 public $id = 'header_image_data'; 21 22 /** 23 * @since 3.4.0 24 * 25 * @global Custom_Image_Header $custom_image_header 26 * 27 * @param $value 28 */ 29 public function update( $value ) { 30 global $custom_image_header; 31 32 // If _custom_header_background_just_in_time() fails to initialize $custom_image_header when not is_admin(). 33 if ( empty( $custom_image_header ) ) { 34 require_once ABSPATH . 'wp-admin/includes/class-custom-image-header.php'; 35 $args = get_theme_support( 'custom-header' ); 36 $admin_head_callback = isset( $args[0]['admin-head-callback'] ) ? $args[0]['admin-head-callback'] : null; 37 $admin_preview_callback = isset( $args[0]['admin-preview-callback'] ) ? $args[0]['admin-preview-callback'] : null; 38 $custom_image_header = new Custom_Image_Header( $admin_head_callback, $admin_preview_callback ); 39 } 40 41 // If the value doesn't exist (removed or random), 42 // use the header_image value. 43 if ( ! $value ) { 44 $value = $this->manager->get_setting( 'header_image' )->post_value(); 45 } 46 47 if ( is_array( $value ) && isset( $value['choice'] ) ) { 48 $custom_image_header->set_header_image( $value['choice'] ); 49 } else { 50 $custom_image_header->set_header_image( $value ); 51 } 52 } 53 }