filter_id

名称:filter_id

分类:过滤器Filter

所属语言:php

一句话介绍:返回指定过滤器的 ID 号。

实例

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token keyword">echo</span><span class="token punctuation">(</span><span class="token function"></span><mark><span class="token function">filter_id</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"validate_email"</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></span>

输出类似：