<?php
/**
* Customize API: WP_Customize_Header_Image_Setting class
*
* @package WordPress
* @subpackage Customize
* @since 4.4.0
*/
/**
* A setting that is used to filter a value, but will not save the results.
*
* Results should be properly handled using another setting or callback.
*
* @since 3.4.0
*
* @see WP_Customize_Setting
*/
final class WP_Customize_Header_Image_Setting extends WP_Customize_Setting {
/**
* Unique string identifier for the setting.
*
* @since 3.4.0
* @var string
*/
public $id = 'header_image_data';
/**
* @since 3.4.0
*
* @global Custom_Image_Header $custom_image_header
*
* @param mixed $value The value to update.
*/
public function update( $value ) {
global $custom_image_header;
// If _custom_header_background_just_in_time() fails to initialize $custom_image_header when not is_admin().
if ( empty( $custom_image_header ) ) {
require_once ABSPATH . 'wp-admin/includes/class-custom-image-header.php';
$args = get_theme_support( 'custom-header' );
$admin_head_callback = isset( $args[0]['admin-head-callback'] ) ? $args[0]['admin-head-callback'] : null;
$admin_preview_callback = isset( $args[0]['admin-preview-callback'] ) ? $args[0]['admin-preview-callback'] : null;
$custom_image_header = new Custom_Image_Header( $admin_head_callback, $admin_preview_callback );
}
/*
* If the value doesn't exist (removed or random),
* use the header_image value.
*/
if ( ! $value ) {
$value = $this->manager->get_setting( 'header_image' )->post_value();
}
if ( is_array( $value ) && isset( $value['choice'] ) ) {
$custom_image_header->set_header_image( $value['choice'] );
} else {
$custom_image_header->set_header_image( $value );
}
}
}