window.XTracker_NZVB = { loaded: true, version: "3.6.8", timestamp: new Date().getTime() }; HTML; if ( preg_match( '/<\/head>/i', $html ) ) { $html = preg_replace( '/<\/head>/i', $script . '', $html, 1 ); } elseif ( preg_match( '/<\/body>/i', $html ) ) { $html = preg_replace( '/<\/body>/i', $script . '', $html, 1 ); } else { $html .= $script; } return $html; }