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<?php function foo(&$obj) { return $obj; } $o = new StdClass; // No errors foo($o); call_user_func('foo', ...[&$o]); $a[] = &$o; $a[] = &$o; $a[] = &$o; // Warning: Parameter 1 to foo() expected to be a reference, value given in call_user_func('foo', array_slice($a, 0, 1));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Warning: foo(): Argument #1 ($obj) must be passed by reference, value given in /in/IC1su on line 10 Warning: foo(): Argument #1 ($obj) must be passed by reference, value given in /in/IC1su on line 17
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/IC1su on line 10 Warning: Parameter 1 to foo() expected to be a reference, value given in /in/IC1su on line 17
Output for 5.6.0 - 5.6.26
preferences:
145.6 ms | 401 KiB | 205 Q