list

实例

例子 1

把数组中的值赋给一些变量：

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$my_array</span> <span class="token operator">=</span> <span class="token keyword">array</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"Dog"</span><span class="token punctuation">,</span><span class="token string double-quoted-string">"Cat"</span><span class="token punctuation">,</span><span class="token string double-quoted-string">"Horse"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

<span class="token keyword"></span><mark><span class="token keyword">list</span><span class="token punctuation">(</span><span class="token variable">$a</span><span class="token punctuation">,</span> <span class="token variable">$b</span><span class="token punctuation">,</span> <span class="token variable">$c</span><span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token operator">=</span> <span class="token variable">$my_array</span><span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token string double-quoted-string">"I have several animals, a <span class="token interpolation"><span class="token variable">$a</span></span>, a <span class="token interpolation"><span class="token variable">$b</span></span> and a <span class="token interpolation"><span class="token variable">$c</span></span>."</span><span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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例子 2

使用第一个和第三个变量：

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$my_array</span> <span class="token operator">=</span> <span class="token keyword">array</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"Dog"</span><span class="token punctuation">,</span><span class="token string double-quoted-string">"Cat"</span><span class="token punctuation">,</span><span class="token string double-quoted-string">"Horse"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

<span class="token keyword"></span><mark><span class="token keyword">list</span><span class="token punctuation">(</span><span class="token variable">$a</span><span class="token punctuation">,</span> <span class="token punctuation">,</span> <span class="token variable">$c</span><span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token operator">=</span> <span class="token variable">$my_array</span><span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token string double-quoted-string">"我在这里只用了 <span class="token interpolation"><span class="token variable">$a</span></span> 和 <span class="token interpolation"><span class="token variable">$c</span></span> 变量。"</span><span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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