3v4l.org

run code in 300+ PHP versions simultaneously
<?php //bin2hex(strrev(base64_encode($secret))); $x = 3d3d516343746d4d6d6c315669563362; $y = base64_decode(strrev(hex2bin($x))); echo $y;
Output for 5.4.0 - 5.4.9
Parse error: syntax error, unexpected 'd3d516343746d4d6d6c31566956336' (T_STRING) in /in/rhEgn on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.19
Parse error: syntax error, unexpected T_STRING in /in/rhEgn on line 4
Process exited with code 255.
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173.87 ms | 1395 KiB | 37 Q