3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(isset $test);
Output for 5.4.0 - 5.4.30
Parse error: syntax error, unexpected '$test' (T_VARIABLE), expecting '(' in /in/kStp5 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_VARIABLE, expecting '(' in /in/kStp5 on line 2
Process exited with code 255.
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215.55 ms | 1395 KiB | 67 Q