scandir

实例

列出 images 目录中的文件和目录：

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$dir</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"/images/"</span><span class="token punctuation">;</span>

<span class="token comment">// 以升序排序 - 默认</span>
<span class="token variable">$a</span> <span class="token operator">=</span> <span class="token function"></span><mark><span class="token function">scandir</span><span class="token punctuation">(</span><span class="token variable">$dir</span><span class="token punctuation">)</span></mark><span class="token punctuation"></span><span class="token punctuation">;</span>

<span class="token comment">// 以降序排序</span>
<span class="token variable">$b</span> <span class="token operator">=</span> <span class="token function"></span><mark><span class="token function">scandir</span><span class="token punctuation">(</span><span class="token variable">$dir</span><span class="token punctuation">,</span><span class="token number">1</span><span class="token punctuation">)</span></mark><span class="token punctuation"></span><span class="token punctuation">;</span>

<span class="token function">print_r</span><span class="token punctuation">(</span><span class="token variable">$a</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">print_r</span><span class="token punctuation">(</span><span class="token variable">$b</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

结果：

Array
(
[0] => .
[1] => ..
[2] => cat.gif
[3] => dog.gif
[4] => horse.gif
[5] => myimages
)
Array
(
[0] => myimages
[1] => horse.gif
[2] => dog.gif
[3] => cat.gif
[4] => ..
[5] => .
)