<?php echo ( browser_detection( 'number' ) .'<br>'. browser_detection( 'browser' ) .'<br>'. browser_detection( 'os' ) .'<br>'. browser_detection( 'os_number' ) ); ?> Outputs (browser version, browser, os, os number): 1.5 moz nt 5.1 <?php if ( ( browser_detection( 'browser' ) == 'ie' ) && ( browser_detection( 'number' ) >= 5 ) ) { echo 'it is Internet Explorer ' . browser_detection( 'number' ); // or anything else you want to happen of course } ?>