filemtime

实例

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token keyword">echo</span> <span class="token function">filemtime</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"test.txt"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token string double-quoted-string">"Last modified: "</span><span class="token operator">.</span><span class="token function">date</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"F d Y H:i:s."</span><span class="token punctuation">,</span><span class="token function">filemtime</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"test.txt"</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

输出：

1139919766
Last modified: February 14 2006 13:22:46.