pivot/pivot.php

<?php

if ( function_exists( 'wfLoadSkin' ) ) {
  wfLoadSkin( 'pivot' );
  // Keep i18n globals so mergeMessageFileList.php doesn't break
  $wgMessagesDirs['pivot'] = __DIR__ . '/i18n';
  /* wfWarn(
    'Deprecated PHP entry point used for Pivot skin. Please use wfLoadSkin instead, ' .
    'see https://www.mediawiki.org/wiki/Extension_registration for more details.'
  ); */
  return true;
} else {
  die( 'This version of the Pivot skin requires MediaWiki 1.25+' );
}