3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { function baz() { class inner {} } }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.30
Fatal error: Class declarations may not be nested in /in/uhfvM on line 4
Process exited with code 255.
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185.06 ms | 1395 KiB | 67 Q