protected function WordPressAttachment::replaceImgs in WordPress Migrate 7.2

If we have an image reference, replace it with media tags.

Parameters

array $matches:

File

./wordpress_attachment.inc, line 358

Class

WordPressAttachment

Implementation of WordPressMigration, for attachments

Code

protected function replaceImgs(array $matches) {

  // Default to the original <img> tag.
  $result = $matches[0];

  // The src parameter is required
  if (preg_match('|src=[\'"](.*?)[\'"]|i', $result, $src_matches)) {
    $src = $src_matches[1];
  }
  else {
    return $result;
  }

  // Strip off any URL parameters.
  if ($question = strpos($src, '?')) {
    $src = substr($src, 0, $question);
  }

  // Get the fid, if any. If none, let the img tag stand
  $fid = db_select('wordpress_migrate_attachment', 'a')
    ->fields('a', array(
    'new_fid',
  ))
    ->condition('original_url', $src)
    ->execute()
    ->fetchField();
  if (!$fid) {

    // We have an image that wasn't pulled over as an attachment - if it's not
    // on the existing WordPress site, leave it be; if it is, copy it directly
    // and create the file entity.
    $blog_url = $this->blog
      ->getBlogUrl();
    $prefix_pattern = '|^' . $blog_url . '/|';
    if (preg_match($prefix_pattern, $src)) {
      $file = array(
        'destination_file' => preg_replace($prefix_pattern, '', $src),
        'file_replace' => FILE_EXISTS_RENAME,
      );
      $source = new MigrateFileUri($file);

      // @todo: uid from parent node
      if ($file = $source
        ->processFile($src, 1)) {
        $fid = $file->fid;
      }
      else {
        return $result;
      }
    }
    else {
      return $result;
    }
  }
  else {
    $file = file_load($fid);
  }

  // Extract the width, height, and classes for the media tag, if present
  $attributes = array(
    'class' => 'media-image',
    'typeof' => 'foaf:Image',
    'style' => '',
  );
  if (preg_match('|width=[\'"](.*?)[\'"]|i', $result, $width_matches)) {
    $attributes['width'] = $width_matches[1];
  }
  if (preg_match('|height=[\'"](.*?)[\'"]|i', $result, $height_matches)) {
    $attributes['height'] = $height_matches[1];
  }
  if (preg_match('|title=[\'"](.*?)[\'"]|i', $result, $title_matches)) {
    $attributes['title'] = $title_matches[1];
  }
  if (preg_match('|alt=[\'"](.*?)[\'"]|i', $result, $alt_matches)) {
    $attributes['alt'] = $alt_matches[1];
  }
  if (preg_match('|class=[\'"](.*?)[\'"]|i', $result, $class_matches)) {
    $attributes['class'] .= ' ' . $class_matches[1];
  }

  // Build the media tag
  $img_info = array(
    'type' => 'media',
    'view_mode' => 'media_large',
    'fid' => $fid,
    'attributes' => $attributes,
  );
  $result = '[[' . drupal_json_encode($img_info) . ']]';

  // Track file references so we can add to an attachment field (if any).
  $file->display = 1;
  $file->description = '';
  $this->referencedFiles[] = (array) $file;
  return $result;
}