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<?php
/**
 * Customize API: WP_Customize_Upload_Control class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 4.4.0
 */
/**
 * Customize Upload Control Class.
 *
 * @since 3.4.0
 *
 * @see WP_Customize_Media_Control
 */
class WP_Customize_Upload_Control extends WP_Customize_Media_Control {
    public $type          = 'upload';
    public $mime_type     = '';
    public $button_labels = array();
    public $removed = ''; // unused
    public $context; // unused
    public $extensions = array(); // unused
    /**
     * Refresh the parameters passed to the JavaScript via JSON.
     *
     * @since 3.4.0
     *
     * @uses WP_Customize_Media_Control::to_json()
     */
    public function to_json() {
        parent::to_json();
        $value = $this->value();
        if ( $value ) {
            // Get the attachment model for the existing file.
            $attachment_id = attachment_url_to_postid( $value );
            if ( $attachment_id ) {
                $this->json['attachment'] = wp_prepare_attachment_for_js( $attachment_id );
            }
        }
    }
}