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   1  <?php
   2  /**
   3   * Server-side rendering of the `core/loginout` block.
   4   *
   5   * @package WordPress
   6   */
   7  
   8  /**
   9   * Renders the `core/loginout` block on server.
  10   *
  11   * @since 5.8.0
  12   *
  13   * @param array $attributes The block attributes.
  14   *
  15   * @return string Returns the login-out link or form.
  16   */
  17  function render_block_core_loginout( $attributes ) {
  18  
  19      /*
  20       * Build the redirect URL. This current url fetching logic matches with the core.
  21       *
  22       * @see https://github.com/WordPress/wordpress-develop/blob/6bf62e58d21739938f3bb3f9e16ba702baf9c2cc/src/wp-includes/general-template.php#L528.
  23       */
  24      $current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
  25  
  26      $user_logged_in = is_user_logged_in();
  27  
  28      $classes  = $user_logged_in ? 'logged-in' : 'logged-out';
  29      $contents = wp_loginout(
  30          isset( $attributes['redirectToCurrent'] ) && $attributes['redirectToCurrent'] ? $current_url : '',
  31          false
  32      );
  33  
  34      // If logged-out and displayLoginAsForm is true, show the login form.
  35      if ( ! $user_logged_in && ! empty( $attributes['displayLoginAsForm'] ) ) {
  36          // Add a class.
  37          $classes .= ' has-login-form';
  38  
  39          // Get the form.
  40          $contents = wp_login_form( array( 'echo' => false ) );
  41  
  42          if ( wp_is_block_theme() ) {
  43              $processor = new WP_HTML_Tag_Processor( $contents );
  44  
  45              while ( $processor->next_tag( 'input' ) ) {
  46                  if ( 'submit' === $processor->get_attribute( 'type' ) && 'wp-submit' === $processor->get_attribute( 'name' ) ) {
  47                      $processor->add_class( 'wp-block-button__link' );
  48                      $processor->add_class( wp_theme_get_element_class_name( 'button' ) );
  49                      $contents = $processor->get_updated_html();
  50                      break;
  51                  }
  52              }
  53          }
  54      }
  55  
  56      $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $classes ) );
  57  
  58      return '<div ' . $wrapper_attributes . '>' . $contents . '</div>';
  59  }
  60  
  61  /**
  62   * Registers the `core/loginout` block on server.
  63   *
  64   * @since 5.8.0
  65   */
  66  function register_block_core_loginout() {
  67      register_block_type_from_metadata(
  68          __DIR__ . '/loginout',
  69          array(
  70              'render_callback' => 'render_block_core_loginout',
  71          )
  72      );
  73  }
  74  add_action( 'init', 'register_block_core_loginout' );