3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo bin2hex(strrev(base64_encode(123456789))); echo " "; $str = "3d3d516343746d4d6d6c31566956336"; echo $str; echo " "; $b64 = base64_decode($str); echo $b64;

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48.2 ms | 402 KiB | 5 Q