应该怎么取出数组中某个值到某个值之间的总和呢?

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Release: 2016-06-06 20:44:07
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比如这样

<code class="lang-php"><br>$a = array(11,32,54,321,26,47,312,4,45,546,87,534,54,56,);

</code>
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这个数组,我想算出$a[2]到$a[10]中间所有值的总和,除了一个个赋值加过来,有更方便的方法吗?

回复内容:

比如这样

<code class="lang-php"><br>$a = array(11,32,54,321,26,47,312,4,45,546,87,534,54,56,);

</code>
Copy after login
Copy after login

这个数组,我想算出$a[2]到$a[10]中间所有值的总和,除了一个个赋值加过来,有更方便的方法吗?

array_slice();取出一段你需要的数组
然后 array_sum();计算总和啊。

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