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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   * @see WP_Widget_Archives
  12   *
  13   * @param array $attributes The block attributes.
  14   *
  15   * @return string Returns the post content with archives added.
  16   */
  17  function render_block_core_archives( $attributes ) {
  18      $show_post_count = ! empty( $attributes['showPostCounts'] );
  19  
  20      $class = 'wp-block-archives';
  21  
  22      if ( isset( $attributes['align'] ) ) {
  23          $class .= " align{$attributes['align']}";
  24      }
  25  
  26      if ( isset( $attributes['className'] ) ) {
  27          $class .= " {$attributes['className']}";
  28      }
  29  
  30      if ( ! empty( $attributes['displayAsDropdown'] ) ) {
  31  
  32          $class .= ' wp-block-archives-dropdown';
  33  
  34          $dropdown_id = esc_attr( uniqid( 'wp-block-archives-' ) );
  35          $title       = __( 'Archives' );
  36  
  37          /** This filter is documented in wp-includes/widgets/class-wp-widget-archives.php */
  38          $dropdown_args = apply_filters(
  39              'widget_archives_dropdown_args',
  40              array(
  41                  'type'            => 'monthly',
  42                  'format'          => 'option',
  43                  'show_post_count' => $show_post_count,
  44              )
  45          );
  46  
  47          $dropdown_args['echo'] = 0;
  48  
  49          $archives = wp_get_archives( $dropdown_args );
  50  
  51          switch ( $dropdown_args['type'] ) {
  52              case 'yearly':
  53                  $label = __( 'Select Year' );
  54                  break;
  55              case 'monthly':
  56                  $label = __( 'Select Month' );
  57                  break;
  58              case 'daily':
  59                  $label = __( 'Select Day' );
  60                  break;
  61              case 'weekly':
  62                  $label = __( 'Select Week' );
  63                  break;
  64              default:
  65                  $label = __( 'Select Post' );
  66                  break;
  67          }
  68  
  69          $label = esc_attr( $label );
  70  
  71          $block_content = '<label class="screen-reader-text" for="' . $dropdown_id . '">' . $title . '</label>
  72      <select id="' . $dropdown_id . '" name="archive-dropdown" onchange="document.location.href=this.options[this.selectedIndex].value;">
  73      <option value="">' . $label . '</option>' . $archives . '</select>';
  74  
  75          return sprintf(
  76              '<div class="%1$s">%2$s</div>',
  77              esc_attr( $class ),
  78              $block_content
  79          );
  80      }
  81  
  82      $class .= ' wp-block-archives-list';
  83  
  84      /** This filter is documented in wp-includes/widgets/class-wp-widget-archives.php */
  85      $archives_args = apply_filters(
  86          'widget_archives_args',
  87          array(
  88              'type'            => 'monthly',
  89              'show_post_count' => $show_post_count,
  90          )
  91      );
  92  
  93      $archives_args['echo'] = 0;
  94  
  95      $archives = wp_get_archives( $archives_args );
  96  
  97      $classnames = esc_attr( $class );
  98  
  99      if ( empty( $archives ) ) {
 100  
 101          return sprintf(
 102              '<div class="%1$s">%2$s</div>',
 103              $classnames,
 104              __( 'No archives to show.' )
 105          );
 106      }
 107  
 108      return sprintf(
 109          '<ul class="%1$s">%2$s</ul>',
 110          $classnames,
 111          $archives
 112      );
 113  }
 114  
 115  /**
 116   * Register archives block.
 117   */
 118  function register_block_core_archives() {
 119      register_block_type(
 120          'core/archives',
 121          array(
 122              'attributes'      => array(
 123                  'align'             => array(
 124                      'type' => 'string',
 125                      'enum' => array( 'left', 'center', 'right', 'wide', 'full' ),
 126                  ),
 127                  'className'         => array(
 128                      'type' => 'string',
 129                  ),
 130                  'displayAsDropdown' => array(
 131                      'type'    => 'boolean',
 132                      'default' => false,
 133                  ),
 134                  'showPostCounts'    => array(
 135                      'type'    => 'boolean',
 136                      'default' => false,
 137                  ),
 138              ),
 139              'render_callback' => 'render_block_core_archives',
 140          )
 141      );
 142  }
 143  add_action( 'init', 'register_block_core_archives' );