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run code in 300+ PHP versions simultaneously
<?php function withRef(&$zomg) { $zomg = 'hello world!'; } withRef(null);
Output for 5.6.0 - 5.6.26, 7.0.0 - 7.0.11
Fatal error: Only variables can be passed by reference in /in/b342d on line 7
Process exited with code 255.
preferences:
66.79 ms | 401 KiB | 44 Q