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<?php $sum = 0; $master = array(); $arrColors = array('R', 'B', 'G' ,'Y'); $arrNumbers = array('1', '2', '3', '4'); foreach($arrColors as $color) { foreach($arrNumbers as $num) { $temp = $color.' - '.$num; $sum+= $num; array_push($master, $temp); } } print_r($master); echo "\n"; print_r ("The sum is ".$sum);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => R - 1 [1] => R - 2 [2] => R - 3 [3] => R - 4 [4] => B - 1 [5] => B - 2 [6] => B - 3 [7] => B - 4 [8] => G - 1 [9] => G - 2 [10] => G - 3 [11] => G - 4 [12] => Y - 1 [13] => Y - 2 [14] => Y - 3 [15] => Y - 4 ) The sum is 40

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