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   1  <?php
   2  /**
   3   * Customize API: WP_Customize_Upload_Control class
   4   *
   5   * @package WordPress
   6   * @subpackage Customize
   7   * @since 4.4.0
   8   */
   9  
  10  /**
  11   * Customize Upload Control Class.
  12   *
  13   * @since 3.4.0
  14   *
  15   * @see WP_Customize_Media_Control
  16   */
  17  class WP_Customize_Upload_Control extends WP_Customize_Media_Control {
  18      /**
  19       * Control type.
  20       *
  21       * @since 3.4.0
  22       * @var string
  23       */
  24      public $type = 'upload';
  25  
  26      /**
  27       * Media control mime type.
  28       *
  29       * @since 4.1.0
  30       * @var string
  31       */
  32      public $mime_type = '';
  33  
  34      /**
  35       * Button labels.
  36       *
  37       * @since 4.1.0
  38       * @var array
  39       */
  40      public $button_labels = array();
  41  
  42      public $removed = '';         // Unused.
  43      public $context;              // Unused.
  44      public $extensions = array(); // Unused.
  45  
  46      /**
  47       * Refresh the parameters passed to the JavaScript via JSON.
  48       *
  49       * @since 3.4.0
  50       *
  51       * @uses WP_Customize_Media_Control::to_json()
  52       */
  53  	public function to_json() {
  54          parent::to_json();
  55  
  56          $value = $this->value();
  57          if ( $value ) {
  58              // Get the attachment model for the existing file.
  59              $attachment_id = attachment_url_to_postid( $value );
  60              if ( $attachment_id ) {
  61                  $this->json['attachment'] = wp_prepare_attachment_for_js( $attachment_id );
  62              }
  63          }
  64      }
  65  }