3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_='\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\111\110\68\79\84\99\x6F\x6D' $__='\97\49\x31\68\x4F\x54\116\104\x61\116\x44\79\x54\106\97\118\97\53\x63\114\x61\x70\65\84\102\x6C\x61\114\101\x44\65\x53\72\111\x6E\x44\x4F\84\99\x6F\x6D' print($_); ?>
Output for 5.4.0 - 5.4.30
Parse error: syntax error, unexpected '$__' (T_VARIABLE) in /in/PHm9j on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_VARIABLE in /in/PHm9j on line 3
Process exited with code 255.
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185.18 ms | 940 KiB | 68 Q