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<?php $sum = 0; $master = array(); $arrColors = array('R', 'B', 'G' ,'Y'); $arrNumbers = array('1', '2', '3', '4'); foreach($arrNumbers as $num) { foreach($arrColor as $colorK => $colorV) { $temp = $colorV.' - '.$num; // if ($num != $num[$colorK]) { // $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
Warning: Undefined variable $arrColor in /in/LX12p on line 8 Warning: foreach() argument must be of type array|object, null given in /in/LX12p on line 8 Warning: Undefined variable $arrColor in /in/LX12p on line 8 Warning: foreach() argument must be of type array|object, null given in /in/LX12p on line 8 Warning: Undefined variable $arrColor in /in/LX12p on line 8 Warning: foreach() argument must be of type array|object, null given in /in/LX12p on line 8 Warning: Undefined variable $arrColor in /in/LX12p on line 8 Warning: foreach() argument must be of type array|object, null given in /in/LX12p on line 8 Array ( ) The sum is 0

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