3v4l.org

run code in 300+ PHP versions simultaneously
<?php $login = "PHP_SELF" putenv("LOGIN=$login"); $login = getenv("LOGIN"); echo "LOGIN = " .$login;
Output for 5.4.0 - 5.4.27
Parse error: syntax error, unexpected 'putenv' (T_STRING) in /in/WkoRq on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_STRING in /in/WkoRq on line 3
Process exited with code 255.
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182.41 ms | 1394 KiB | 64 Q