chdir

实例

改变当前的目录：

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token comment">// 获取当前目录</span>
<span class="token keyword">echo</span> <span class="token function">getcwd</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span><span class="token punctuation">;</span>

<span class="token comment">// 改变目录</span>
<span class="token function">chdir</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"images"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

<span class="token comment">// 获得当前目录</span>
<span class="token keyword">echo</span> <span class="token function">getcwd</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

结果：

/home/php
/home/php/images