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<?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 {
    public $id = 'header_image_data';
    /**
     * @since 3.4.0
     *
     * @global Custom_Image_Header $custom_image_header
     *
     * @param $value
     */
    public function update( $value ) {
        global $custom_image_header;
        // 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 );
    }
}