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<?php function reKey($oldArray, $value, $newArray=Array()) { if (count($oldArray)) { $currentValue = current($oldArray); unset($oldArray[key($oldArray)]); $newArray[$currentValue] = Array(); print_r($newArray); return $newArray = reKey($oldArray, $value, $newArray[$currentValue]); } else{ $newArray[key($newArray)] = $value; return $newArray; } } $array = Array( 0 => "this", 1 => "that", 2 => "those", 3 => "they", ); $newArray = reKey($array, "asdadsad", Array()); print_r($newArray);
Output for 5.5.0 - 5.5.38, 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 - 8.3.6
Array ( [this] => Array ( ) ) Array ( [that] => Array ( ) ) Array ( [those] => Array ( ) ) Array ( [they] => Array ( ) ) Array ( [] => asdadsad )

preferences:
209.42 ms | 404 KiB | 330 Q