数组遍历相加
求教:
$arr = array($arr1,$arr2,$arr3,……);
$arr1 = array(a=>'11',b=>'12',c=>'13',d=>'14',e=>'15');
$arr2 = array(a=>'14',b=>'10',c=>'75',d=>'4',e=>'25');
$arr3 = array(a=>'4',b=>'13',c=>'5',d=>'14',e=>'2');
……
怎么算出数组里 a 的值相加后的结果?
$arr = array($arr1,$arr2,$arr3,……);
$arr1 = array(a=>'11',b=>'12',c=>'13',d=>'14',e=>'15');
$arr2 = array(a=>'14',b=>'10',c=>'75',d=>'4',e=>'25');
$arr3 = array(a=>'4',b=>'13',c=>'5',d=>'14',e=>'2');
……
怎么算出数组里 a 的值相加后的结果?
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基础编程
