array_product

名稱:array_product

分類:數組

所屬語言:php

一句話介紹:計算數組中所有值的乘積。

實例

例子1

計算並返回數組的乘積：

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$a</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token number">5</span> <span class="token punctuation">,</span> <span class="token number">5</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token punctuation">(</span><span class="token function"></span></span><mark> <span class="token function">array_product</span> <span class="token punctuation">(</span> <span class="token variable">$a</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span>

親自試一試

例子2

計算並返回數組的乘積：

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$a</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token number">5</span> <span class="token punctuation">,</span> <span class="token number">5</span> <span class="token punctuation">,</span> <span class="token number">2</span> <span class="token punctuation">,</span> <span class="token number">10</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token punctuation">(</span><span class="token function"></span></span><mark> <span class="token function">array_product</span> <span class="token punctuation">(</span> <span class="token variable">$a</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span>

親自試一試