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<?php $m = 3; $n = 4; $x = array_map( function () use ($m) { return array_fill(0, $m, 0); }, range(1, $n) ); print_r($x);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [0] => 0 [1] => 0 [2] => 0 ) [1] => Array ( [0] => 0 [1] => 0 [2] => 0 ) [2] => Array ( [0] => 0 [1] => 0 [2] => 0 ) [3] => Array ( [0] => 0 [1] => 0 [2] => 0 ) )

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