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<?php interface Foo { function bar($a, $b): void; } class Baz implements Foo { function bar($b, $a): void { var_dump([$a, $b]); } } call_user_func_array([(new Baz), 'bar'], ['a' => 123, 'b' => 456]);
Output for 8.0.0 - 8.0.2
array(2) { [0]=> int(123) [1]=> int(456) }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.27, 7.4.0 - 7.4.15
array(2) { [0]=> int(456) [1]=> int(123) }
Output for 7.0.0 - 7.0.33
array(2) { [0]=> int(456) [1]=> int(123) } Fatal error: Uncaught TypeError: Return value of Baz::bar() must be an instance of void, none returned in /in/icX5t:10 Stack trace: #0 /in/icX5t(13): Baz->bar(123, 456) #1 {main} thrown in /in/icX5t on line 10
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/icX5t on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':', expecting '{' or ';' in /in/icX5t on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/icX5t on line 3
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 in /in/icX5t on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/icX5t on line 3
Process exited with code 255.