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<?php function foo(&$x) {return x;} $x = 42; unset(foo($x));
Output for 5.3.0 - 5.3.24, 5.4.0 - 5.4.14
Fatal error: Can't use function return value in write context in /in/QXH0s on line 4
Process exited with code 255.
preferences:
204.18 ms | 1395 KiB | 47 Q