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Source View: wp_get_attachment_thumb_file

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Line Code
4216      $post_id = (int) $post_id;
4217      if ( !$post = get_post( $post_id ) )
4218           return false;
4219      if ( !is_array( $imagedata = wp_get_attachment_metadata( $post->ID ) ) )
4220           return false;
4221
4222      $file = get_attached_file( $post->ID );
4223
4224      if ( !empty($imagedata['thumb']) && ($thumbfile = str_replace(basename($file), $imagedata['thumb'], $file)) && file_exists($thumbfile) )
4225           return apply_filters( 'wp_get_attachment_thumb_file', $thumbfile, $post->ID );
4226      return false;
4227 }
4228
4229 /**
4230  * Retrieve URL for an attachment thumbnail.
4231  *
4232  * @since 2.1.0
4233  *
4234  * @param int $post_id Attachment ID