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   1  <?php
   2  /**
   3   * Server-side rendering of the `core/archives` block.
   4   *
   5   * @package WordPress
   6   */
   7  
   8  /**
   9   * Renders the `core/archives` block on server.
  10   *
  11   * @since 5.0.0
  12   *
  13   * @see WP_Widget_Archives
  14   *
  15   * @param array $attributes The block attributes.
  16   *
  17   * @return string Returns the post content with archives added.
  18   */
  19  function render_block_core_archives( $attributes ) {
  20      $show_post_count = ! empty( $attributes['showPostCounts'] );
  21      $type            = isset( $attributes['type'] ) ? $attributes['type'] : 'monthly';
  22  
  23      $class = 'wp-block-archives-list';
  24  
  25      if ( ! empty( $attributes['displayAsDropdown'] ) ) {
  26  
  27          $class = 'wp-block-archives-dropdown';
  28  
  29          $dropdown_id = wp_unique_id( 'wp-block-archives-' );
  30          $title       = __( 'Archives' );
  31  
  32          /** This filter is documented in wp-includes/widgets/class-wp-widget-archives.php */
  33          $dropdown_args = apply_filters(
  34              'widget_archives_dropdown_args',
  35              array(
  36                  'type'            => $type,
  37                  'format'          => 'option',
  38                  'show_post_count' => $show_post_count,
  39              )
  40          );
  41  
  42          $dropdown_args['echo'] = 0;
  43  
  44          $archives = wp_get_archives( $dropdown_args );
  45  
  46          $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $class ) );
  47  
  48          switch ( $dropdown_args['type'] ) {
  49              case 'yearly':
  50                  $label = __( 'Select Year' );
  51                  break;
  52              case 'monthly':
  53                  $label = __( 'Select Month' );
  54                  break;
  55              case 'daily':
  56                  $label = __( 'Select Day' );
  57                  break;
  58              case 'weekly':
  59                  $label = __( 'Select Week' );
  60                  break;
  61              default:
  62                  $label = __( 'Select Post' );
  63                  break;
  64          }
  65  
  66          $show_label = empty( $attributes['showLabel'] ) ? ' screen-reader-text' : '';
  67  
  68          $block_content = '<label for="' . $dropdown_id . '" class="wp-block-archives__label' . $show_label . '">' . esc_html( $title ) . '</label>
  69          <select id="' . $dropdown_id . '" name="archive-dropdown" onchange="document.location.href=this.options[this.selectedIndex].value;">
  70          <option value="">' . esc_html( $label ) . '</option>' . $archives . '</select>';
  71  
  72          return sprintf(
  73              '<div %1$s>%2$s</div>',
  74              $wrapper_attributes,
  75              $block_content
  76          );
  77      }
  78  
  79      /** This filter is documented in wp-includes/widgets/class-wp-widget-archives.php */
  80      $archives_args = apply_filters(
  81          'widget_archives_args',
  82          array(
  83              'type'            => $type,
  84              'show_post_count' => $show_post_count,
  85          )
  86      );
  87  
  88      $archives_args['echo'] = 0;
  89  
  90      $archives = wp_get_archives( $archives_args );
  91  
  92      $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $class ) );
  93  
  94      if ( empty( $archives ) ) {
  95          return sprintf(
  96              '<div %1$s>%2$s</div>',
  97              $wrapper_attributes,
  98              __( 'No archives to show.' )
  99          );
 100      }
 101  
 102      return sprintf(
 103          '<ul %1$s>%2$s</ul>',
 104          $wrapper_attributes,
 105          $archives
 106      );
 107  }
 108  
 109  /**
 110   * Register archives block.
 111   *
 112   * @since 5.0.0
 113   */
 114  function register_block_core_archives() {
 115      register_block_type_from_metadata(
 116          __DIR__ . '/archives',
 117          array(
 118              'render_callback' => 'render_block_core_archives',
 119          )
 120      );
 121  }
 122  add_action( 'init', 'register_block_core_archives' );