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/wp-includes/blocks/ -> post-terms.php (source)

   1  <?php
   2  /**
   3   * Server-side rendering of the `core/post-terms` block.
   4   *
   5   * @package WordPress
   6   */
   7  
   8  /**
   9   * Renders the `core/post-terms` block on the server.
  10   *
  11   * @param array    $attributes Block attributes.
  12   * @param string   $content    Block default content.
  13   * @param WP_Block $block      Block instance.
  14   * @return string Returns the filtered post terms for the current post wrapped inside "a" tags.
  15   */
  16  function render_block_core_post_terms( $attributes, $content, $block ) {
  17      if ( ! isset( $block->context['postId'] ) || ! isset( $attributes['term'] ) ) {
  18          return '';
  19      }
  20  
  21      if ( ! is_taxonomy_viewable( $attributes['term'] ) ) {
  22          return '';
  23      }
  24  
  25      $post_terms = get_the_terms( $block->context['postId'], $attributes['term'] );
  26      if ( is_wp_error( $post_terms ) ) {
  27          return '';
  28      }
  29      if ( empty( $post_terms ) ) {
  30          return '';
  31      }
  32  
  33      $align_class_name = empty( $attributes['textAlign'] ) ? '' : ' ' . "has-text-align-{$attributes['textAlign']}";
  34  
  35      $terms_links = '';
  36      foreach ( $post_terms as $term ) {
  37          $terms_links .= sprintf(
  38              '<a href="%1$s">%2$s</a> | ',
  39              get_term_link( $term->term_id ),
  40              esc_html( $term->name )
  41          );
  42      }
  43      $terms_links        = trim( $terms_links, ' | ' );
  44      $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $align_class_name ) );
  45  
  46      return sprintf(
  47          '<div %1$s>%2$s</div>',
  48          $wrapper_attributes,
  49          $terms_links
  50      );
  51  }
  52  
  53  /**
  54   * Registers the `core/post-terms` block on the server.
  55   */
  56  function register_block_core_post_terms() {
  57      register_block_type_from_metadata(
  58          __DIR__ . '/post-terms',
  59          array(
  60              'render_callback' => 'render_block_core_post_terms',
  61          )
  62      );
  63  }
  64  add_action( 'init', 'register_block_core_post_terms' );


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