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<?php $a = array(); $a[] = 1; $a[] = 2; $a[] = 3; unset($a[1]); usort($a, function($a, $b){ return $a - $b; }); var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> int(1) [1]=> int(3) }

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