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<?php class Foo { private function privateMethod($x) { return $x + 1; } function publicMethod($x) { return $x + 1; } function testMap() { return array_map(array($this, 'publicMethod'), array(1,2,3)); } function testMyMap() { return my_array_map(array($this, 'publicMethod'), array(1,2,3)); } } function my_array_map($fun, $arr) { $result = array(); foreach ($arr as $k => $v) { $result[$k] = $fun($v); } return $result; } var_dump((new Foo())->testMap()); var_dump((new Foo())->testMyMap());
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
array(3) { [0]=> int(2) [1]=> int(3) [2]=> int(4) } array(3) { [0]=> int(2) [1]=> int(3) [2]=> int(4) }
preferences:
226.43 ms | 404 KiB | 292 Q