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<?php $a = [ 1 => [2, 3], 3 => [3, 4], 0 => [5, 6], 2 => [1, 8], ]; ksort($a); var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> array(2) { [0]=> int(5) [1]=> int(6) } [1]=> array(2) { [0]=> int(2) [1]=> int(3) } [2]=> array(2) { [0]=> int(1) [1]=> int(8) } [3]=> array(2) { [0]=> int(3) [1]=> int(4) } }

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