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<?php class MyClass { public static function test() { return "test"; } } $arr = array(1,2,3,4); var_dump(array_map('MyClass::test', $arr));
based on 6OllW
Output for 5.2.2 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
array(4) { [0]=> string(4) "test" [1]=> string(4) "test" [2]=> string(4) "test" [3]=> string(4) "test" }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.2 - 5.2.1
Warning: array_map(): An error occurred while invoking the map callback in /in/YsNfu on line 6 NULL
Output for 5.1.0 - 5.1.1
array(4) { [0]=>
Process exited with code 139.
Output for 5.0.0 - 5.0.5
Warning: array_map(): The first argument, 'MyClass::test', should be either NULL or a valid callback in /in/YsNfu on line 6 NULL
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/YsNfu on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/YsNfu on line 3
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/YsNfu on line 3
Process exited with code 255.