array_product

名前:array_product

カテゴリ:配列

対応言語:php

一言説明:配列内のすべての値の積を計算します。

例

例1

配列の積を計算して返します。

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

自分で試してみてください

例2

配列の積を計算して返します。

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

自分で試してみてください