Online PHP editor | output for DucB2

<?php $points = [ 'x' => [1, 3, 5], 'y' => [2, 4, 6], ]; // use labels 'x' and 'y' (hard coded) $size = count($points['x']); for($i=0; $i < $size; $i++) { $newPoints0[$i] = ['x' => $points['x'][$i], 'y' => $points['y'][$i]]; } print_r($newPoints0); // labels 'x' and 'y' could change (dynamic) $keys = array_keys($points); $x = $points[$keys[0]]; // fetch label $y = $points[$keys[1]]; // fetch label $size = count($x); for($i=0; $i < $size; $i++) { $newPoints1[$i] = [$keys[0] => $x[$i], $keys[1] => $y[$i]]; } print_r($newPoints1);