3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo(""\97\49\49\68\x4F\84\116\x68\97\x74\x44\x4F\x54\x6A\97\x76\x61\x35\x63\x72\97\x70\x41\84\x66\x6C\97\x72\x65\x44\65\x53\72\\x49\x48\68\79\84\99\x6F\x6D"]) ?>
Output for 5.4.0 - 5.4.30
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR) in /in/s7UH3 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_NS_SEPARATOR in /in/s7UH3 on line 2
Process exited with code 255.
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176.8 ms | 1394 KiB | 67 Q