3v4l.org

run code in 300+ PHP versions simultaneously
<?php isset $a, $b;
Output for 5.4.0 - 5.4.20, 5.5.0 - 5.5.4
Parse error: syntax error, unexpected '$a' (T_VARIABLE), expecting '(' in /in/PvlFD on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_VARIABLE, expecting '(' in /in/PvlFD on line 3
Process exited with code 255.

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