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<?php $arr = array( 'Test' => 1, 'OtherKey' => 2 ); $keyTranslation = array( 'Test' => 'test', 'OtherKey' => 'OtherKey' ); function test(&$arr, $keyTranslation) { foreach ($arr as $key => $value) { $arr[$keyTranslation[$key]] = $value; unset($arr[$key]); } } var_dump(test($arr, $keyTranslation));
Output for 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
NULL
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Notice: Undefined index: test in /in/hXvdA on line 14 NULL

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