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   1  <?php
   2  /**
   3   * Server-side rendering of the `core/comments-title` block.
   4   *
   5   * @package WordPress
   6   */
   7  
   8  /**
   9   * Renders the `core/comments-title` block on the server.
  10   *
  11   * @param array $attributes Block attributes.
  12   *
  13   * @return string Return the post comments title.
  14   */
  15  function render_block_core_comments_title( $attributes ) {
  16  
  17      if ( post_password_required() ) {
  18          return;
  19      }
  20  
  21      $align_class_name    = empty( $attributes['textAlign'] ) ? '' : "has-text-align-{$attributes['textAlign']}";
  22      $show_post_title     = ! empty( $attributes['showPostTitle'] ) && $attributes['showPostTitle'];
  23      $show_comments_count = ! empty( $attributes['showCommentsCount'] ) && $attributes['showCommentsCount'];
  24      $wrapper_attributes  = get_block_wrapper_attributes( array( 'class' => $align_class_name ) );
  25      $comments_count      = get_comments_number();
  26      /* translators: %s: Post title. */
  27      $post_title = sprintf( __( '&#8220;%s&#8221;' ), get_the_title() );
  28      $tag_name   = 'h2';
  29      if ( isset( $attributes['level'] ) ) {
  30          $tag_name = 'h' . $attributes['level'];
  31      }
  32  
  33      if ( '0' === $comments_count ) {
  34          return;
  35      }
  36  
  37      if ( $show_comments_count ) {
  38          if ( $show_post_title ) {
  39              if ( '1' === $comments_count ) {
  40                  /* translators: %s: Post title. */
  41                  $comments_title = sprintf( __( 'One response to %s' ), $post_title );
  42              } else {
  43                  $comments_title = sprintf(
  44                      /* translators: 1: Number of comments, 2: Post title. */
  45                      _n(
  46                          '%1$s response to %2$s',
  47                          '%1$s responses to %2$s',
  48                          $comments_count
  49                      ),
  50                      number_format_i18n( $comments_count ),
  51                      $post_title
  52                  );
  53              }
  54          } elseif ( '1' === $comments_count ) {
  55              $comments_title = __( 'One response' );
  56          } else {
  57              $comments_title = sprintf(
  58                  /* translators: %s: Number of comments. */
  59                  _n( '%s response', '%s responses', $comments_count ),
  60                  number_format_i18n( $comments_count )
  61              );
  62          }
  63      } elseif ( $show_post_title ) {
  64          if ( '1' === $comments_count ) {
  65              /* translators: %s: Post title. */
  66              $comments_title = sprintf( __( 'Response to %s' ), $post_title );
  67          } else {
  68              /* translators: %s: Post title. */
  69              $comments_title = sprintf( __( 'Responses to %s' ), $post_title );
  70          }
  71      } elseif ( '1' === $comments_count ) {
  72          $comments_title = __( 'Response' );
  73      } else {
  74          $comments_title = __( 'Responses' );
  75      }
  76  
  77      return sprintf(
  78          '<%1$s id="comments" %2$s>%3$s</%1$s>',
  79          $tag_name,
  80          $wrapper_attributes,
  81          $comments_title
  82      );
  83  }
  84  
  85  /**
  86   * Registers the `core/comments-title` block on the server.
  87   */
  88  function register_block_core_comments_title() {
  89      register_block_type_from_metadata(
  90          __DIR__ . '/comments-title',
  91          array(
  92              'render_callback' => 'render_block_core_comments_title',
  93          )
  94      );
  95  }
  96  
  97  add_action( 'init', 'register_block_core_comments_title' );