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<?php $arr1 = array( '09:26-DOWN', '09:26-UP', '09:26-UP', '09:26-UP', '09:26-UP', '09:26-UP', '09:26-UP', '09:26-UP', '09:26-DOWN', '09:26-UP', '09:26-UP', '09:26-UP', '09:26-UP', '09:26-UP', '09:26-UP', '09:26-UP', '09:26-UP', '09:26-UP' ); $arr2 = array( '09:31-DOWN', '09:31-UP', '09:31-UP', '09:31-UP', '09:31-UP', '09:31-UP', '09:31-UP', '09:31-UP', '09:31-UP', '09:31-UP', '09:31-UP', '09:31-UP', '09:31-UP', '09:31-UP', '09:31-UP', '09:31-UP', '09:31-UP', '09:31-UP' ); $result = array_map(function($a, $b){return $a[6] . $b[6];}, $arr1, $arr2); print_r($result);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => DD [1] => UU [2] => UU [3] => UU [4] => UU [5] => UU [6] => UU [7] => UU [8] => DU [9] => UU [10] => UU [11] => UU [12] => UU [13] => UU [14] => UU [15] => UU [16] => UU [17] => UU )

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