3v4l.org

run code in 300+ PHP versions simultaneously
<?php $browser = "Opera/9.80 (X11; Linux i686; Ubuntu/14.10) Presto/2.12.388 Version/12.16"; $string = strripos($browser, 'Opera'); if ($string=== false) { echo "Geen Opera"; } else { echo "Wel Opera"; } ?>

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