3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = base64_decode(strrev(hex2bin("3d3d516343746d4d6d6c315669563362"))) echo $x; ?>
Output for 5.4.0 - 5.4.9
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/ZOqD0 on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.19
Parse error: syntax error, unexpected T_ECHO in /in/ZOqD0 on line 3
Process exited with code 255.
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176.4 ms | 1395 KiB | 37 Q