3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Test\Case; function exec(callable $call) {} exec(function() {return true;});
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.6
Output for 5.4.0 - 5.4.21
Parse error: syntax error, unexpected 'Case' (T_CASE), expecting identifier (T_STRING) in /in/Xff0l on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_CASE, expecting T_STRING in /in/Xff0l on line 2
Process exited with code 255.
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98.2 ms | 401 KiB | 77 Q