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<?php $array = [ 'xx' => range(1, 10), 'yy' => range(1, 4) ]; $length = max(array_map('count', $array)); $array = array_map( function (array $a) use ($length) { return array_pad($a, $length, null); }, $array ); print_r($array);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [xx] => Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 [5] => 6 [6] => 7 [7] => 8 [8] => 9 [9] => 10 ) [yy] => Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => [5] => [6] => [7] => [8] => [9] => ) )

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