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<?php $var = [ 0 => [ "1" => "1", "2" => "2", ] ]; var_dump($var); unset($var[0]["2"]); var_dump($var);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> array(2) { [1]=> string(1) "1" [2]=> string(1) "2" } } array(1) { [0]=> array(1) { [1]=> string(1) "1" } }

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