3v4l.org

run code in 300+ PHP versions simultaneously
<?php clas foo{} class_exists('foo', false);
Output for 5.4.0 - 5.4.13
Parse error: syntax error, unexpected 'foo' (T_STRING) in /in/nXXY8 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.23
Parse error: syntax error, unexpected T_STRING in /in/nXXY8 on line 2
Process exited with code 255.
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183.42 ms | 1399 KiB | 45 Q