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<?php $arr1 = array( array(0 => "1", 1 => "1"), array(0 => "2", 1 => "2"), ); $arr2 = array( array(0 => "a", 1 => "b"), array(0 => "c", 1 => "d"), ); $result = []; foreach($arr1 as $key=>$value){ $result[array_unique($value)[0]] = $arr2[$key]; } print_r($result);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [1] => Array ( [0] => a [1] => b ) [2] => Array ( [0] => c [1] => d ) )

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