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<?php $arr = array( 'Test' => 1, 'OtherKey' => 2, ); $keyTranslation = array( 'OtherKey' => 'other_key', 'Test' => 'test', ); function test(&$arr, $keyTranslation) { foreach ($arr as $key => $value) { var_dump($arr); var_dump($keyTranslation[$key]); $arr[$keyTranslation[$key]] = $value; unset($arr[$key]); } } test($arr, $keyTranslation);
Output for 7.0.0 - 7.0.20, 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 - 8.3.6
array(2) { ["Test"]=> int(1) ["OtherKey"]=> int(2) } string(4) "test" array(2) { ["OtherKey"]=> int(2) ["test"]=> int(1) } string(9) "other_key"
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
array(2) { ["Test"]=> int(1) ["OtherKey"]=> int(2) } string(4) "test" array(2) { ["OtherKey"]=> int(2) ["test"]=> int(1) } string(9) "other_key" array(2) { ["test"]=> int(1) ["other_key"]=> int(2) } Notice: Undefined index: test in /in/QFYrA on line 14 NULL Notice: Undefined index: test in /in/QFYrA on line 16 array(2) { ["other_key"]=> int(2) [""]=> int(1) } Notice: Undefined index: other_key in /in/QFYrA on line 14 NULL Notice: Undefined index: other_key in /in/QFYrA on line 16 array(1) { [""]=> int(2) } Notice: Undefined index: in /in/QFYrA on line 14 NULL Notice: Undefined index: in /in/QFYrA on line 16
preferences:
172.59 ms | 403 KiB | 228 Q