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<?php function foo(&$obj) { return $obj; } $o = array(); // No errors foo($o); call_user_func('foo', $o); call_user_func('foo', [$o]); $a[] = array(); $a[] = array(); $a[] = array(); // Warning: Parameter 1 to foo() expected to be a reference, value given in call_user_func('foo', array_slice($a, 0, 1));
Output for rfc.property-hooks, git.master, git.master_jit
Warning: foo(): Argument #1 ($obj) must be passed by reference, value given in /in/TZaVe on line 10 Warning: foo(): Argument #1 ($obj) must be passed by reference, value given in /in/TZaVe on line 11 Warning: foo(): Argument #1 ($obj) must be passed by reference, value given in /in/TZaVe on line 18

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