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<?php $a = [7, 5, 6, 9]; $b = [1, 3, 2, 4]; $c = array_combine($a,$b); $r = []; array_walk($c, function($k,$v) use (&$r){$r[] = "{$v}-{$k}";}); print_r($r);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 7-1 [1] => 5-3 [2] => 6-2 [3] => 9-4 )

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