php计算多维数组中所有值总和的方法_PHP教程

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Release: 2016-07-13 09:48:48
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php计算多维数组中所有值总和的方法

  本文实例讲述了php计算多维数组中所有值总和的方法。分享给大家供大家参考。具体实现方法如下:

  php 内置函数 array_sum() 函数返回数组中所有值的总和,只能返回一维数组的总和;

  计算多维数组所有值的和就要自定义函数了;

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function get_sum($array) {

$num = 0;

foreach($array as $k => $v) {

if(is_array($v)) {

$num += get_sum($v);

}

}

return $num + array_sum($array);

}

get_sum($array);

         希望本文所述对大家的php程序设计有所帮助。

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