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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   * @since 6.0.0
  12   *
  13   * @param array $attributes Block attributes.
  14   *
  15   * @return string Return the post comments title.
  16   */
  17  function render_block_core_comments_title( $attributes ) {
  18  
  19      if ( post_password_required() ) {
  20          return;
  21      }
  22  
  23      $align_class_name    = empty( $attributes['textAlign'] ) ? '' : "has-text-align-{$attributes['textAlign']}";
  24      $show_post_title     = ! empty( $attributes['showPostTitle'] ) && $attributes['showPostTitle'];
  25      $show_comments_count = ! empty( $attributes['showCommentsCount'] ) && $attributes['showCommentsCount'];
  26      $wrapper_attributes  = get_block_wrapper_attributes( array( 'class' => $align_class_name ) );
  27      $comments_count      = get_comments_number();
  28      $post_title          = get_the_title();
  29      $tag_name            = 'h2';
  30      if ( isset( $attributes['level'] ) ) {
  31          $tag_name = 'h' . $attributes['level'];
  32      }
  33  
  34      if ( '0' === $comments_count ) {
  35          return;
  36      }
  37  
  38      if ( $show_comments_count ) {
  39          if ( $show_post_title ) {
  40              if ( '1' === $comments_count ) {
  41                  /* translators: %s: Post title. */
  42                  $comments_title = sprintf( __( 'One response to &#8220;%s&#8221;' ), $post_title );
  43              } else {
  44                  $comments_title = sprintf(
  45                      /* translators: 1: Number of comments, 2: Post title. */
  46                      _n(
  47                          '%1$s response to &#8220;%2$s&#8221;',
  48                          '%1$s responses to &#8220;%2$s&#8221;',
  49                          $comments_count
  50                      ),
  51                      number_format_i18n( $comments_count ),
  52                      $post_title
  53                  );
  54              }
  55          } elseif ( '1' === $comments_count ) {
  56              $comments_title = __( 'One response' );
  57          } else {
  58              $comments_title = sprintf(
  59                  /* translators: %s: Number of comments. */
  60                  _n( '%s response', '%s responses', $comments_count ),
  61                  number_format_i18n( $comments_count )
  62              );
  63          }
  64      } elseif ( $show_post_title ) {
  65          if ( '1' === $comments_count ) {
  66              /* translators: %s: Post title. */
  67              $comments_title = sprintf( __( 'Response to &#8220;%s&#8221;' ), $post_title );
  68          } else {
  69              /* translators: %s: Post title. */
  70              $comments_title = sprintf( __( 'Responses to &#8220;%s&#8221;' ), $post_title );
  71          }
  72      } elseif ( '1' === $comments_count ) {
  73          $comments_title = __( 'Response' );
  74      } else {
  75          $comments_title = __( 'Responses' );
  76      }
  77  
  78      return sprintf(
  79          '<%1$s id="comments" %2$s>%3$s</%1$s>',
  80          $tag_name,
  81          $wrapper_attributes,
  82          $comments_title
  83      );
  84  }
  85  
  86  /**
  87   * Registers the `core/comments-title` block on the server.
  88   *
  89   * @since 6.0.0
  90   */
  91  function register_block_core_comments_title() {
  92      register_block_type_from_metadata(
  93          __DIR__ . '/comments-title',
  94          array(
  95              'render_callback' => 'render_block_core_comments_title',
  96          )
  97      );
  98  }
  99  
 100  add_action( 'init', 'register_block_core_comments_title' );