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<?php class a { public function f(&$ref1, &$ref2) { $ref1 = 'foo'; $ref2 = 'bar'; } } class b { public function __call($methodName, $arguments) { $a = new a(); call_user_func_array(array( $a, $methodName //->$methodName( $arguments[0][0], $arguments[0][1]); ), $arguments); } } $ref1 = 'X'; $ref2 = 'Y'; $b = new b(); $b->f( $ref1, $ref2); var_dump($ref1, $ref2);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: a::f(): Argument #1 ($ref1) must be passed by reference, value given in /in/M3au0 on line 18 Warning: a::f(): Argument #2 ($ref2) must be passed by reference, value given in /in/M3au0 on line 18 string(1) "X" string(1) "Y"
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Parameter 1 to a::f() expected to be a reference, value given in /in/M3au0 on line 18 Warning: Parameter 2 to a::f() expected to be a reference, value given in /in/M3au0 on line 18 string(1) "X" string(1) "Y"
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20
Warning: Parameter 1 to a::f() expected to be a reference, value given in /in/M3au0 on line 18 string(1) "X" string(1) "Y"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
string(1) "X" string(1) "Y"
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/M3au0 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/M3au0 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/M3au0 on line 4
Process exited with code 255.

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