3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = "Dalvik/1.6.0 (Linux; U; Android 4.2.2; QMV7A Build/JDQ39)"; if (strpos($foo,'Dalvik') === false) { echo $foo; } else { echo exit; }

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21.58 ms | 402 KiB | 5 Q