filetype.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: e9c706885ef677389883ee30013fd76580657b0f Maintainer: HonestQiao Status: ready -->
<!-- CREDITS: mowangjuanzi, Luffy -->
<refentry xml:id="function.filetype" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>filetype</refname>
  <refpurpose>取得文件类型</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>string</type><type>false</type></type><methodname>filetype</methodname>
   <methodparam><type>string</type><parameter>filename</parameter></methodparam>
  </methodsynopsis>
  <para>
   返回文件的类型。
  </para>
 </refsect1>  

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>filename</parameter></term>
     <listitem>
      <para>
       文件的路径。
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   返回文件的类型。 可能的值有
   fifo，char，dir，block，link，file 和 unknown。
  </para>
  <para>
    如果出错则返回 &false;。如果 stat 调用失败或者文件类型未知的话
   <function>filetype</function> 还会产生一个 <constant>E_NOTICE</constant> 消息。
  </para>
 </refsect1>

 <refsect1 role="errors">
  &reftitle.errors;
  &fs.emits.warning.on.failure;
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>filetype</function> 例子</title>
    <programlisting role="php">
<![CDATA[
<?php

echo filetype('/etc/passwd');
echo "\n";
echo filetype('/etc/');

?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
     <![CDATA[
file
dir
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  &note.clearstatcache;
  &tip.fopen-wrapper.stat;
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>is_dir</function></member>
    <member><function>is_file</function></member>
    <member><function>is_link</function></member>
    <member><function>file_exists</function></member>
    <member><function>mime_content_type</function></member>
    <member><function>pathinfo</function></member>
    <member><function>stat</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>
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