apache-lookup-uri.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- $Author$ -->
<!-- EN-Revision: a331ac8a86bb5929b79be9a369fac1e3af516241 Maintainer: dallas Status: ready -->
<refentry xml:id="function.apache-lookup-uri" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>apache_lookup_uri</refname>
  <refpurpose>对指定的 URI 执行部分请求并返回所有有关信息</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>object</type><type>false</type></type><methodname>apache_lookup_uri</methodname>
   <methodparam><type>string</type><parameter>filename</parameter></methodparam>
  </methodsynopsis>
  <para>
   本函数对一个 URL 执行部分请求。取得所有有关给定资源的重要信息后就停手。
  </para>
  &apache.req.module;
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>filename</parameter></term>
     <listitem>
      <para>
       被请求的文件名（URI）。
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   一个有关 URI 信息的 <type>object</type>。此
   <type>object</type> 的属性有：
  </para>
  <para>
   <simplelist>
    <member>status</member>
    <member>the_request</member>
    <member>status_line</member>
    <member>method</member>
    <member>content_type</member>
    <member>handler</member>
    <member>uri</member>
    <member>filename</member>
    <member>path_info</member>
    <member>args</member>
    <member>boundary</member>
    <member>no_cache</member>
    <member>no_local_copy</member>
    <member>allowed</member>
    <member>send_bodyct</member>
    <member>bytes_sent</member>
    <member>byterange</member>
    <member>clength</member>
    <member>unparsed_uri</member>
    <member>mtime</member>
    <member>request_time</member>
   </simplelist>
  </para>
  <para>
   失败时返回 &false;。
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>apache_lookup_uri</function> 例子</title>
    <programlisting role="php">
<![CDATA[
<?php
$info = apache_lookup_uri('index.php?var=value');
print_r($info);

if (file_exists($info->filename)) {
    echo 'file exists!';
}
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
stdClass Object
(
    [status] => 200
    [the_request] => GET /dir/file.php HTTP/1.1
    [method] => GET
    [mtime] => 0
    [clength] => 0
    [chunked] => 0
    [content_type] => application/x-httpd-php
    [no_cache] => 0
    [no_local_copy] => 1
    [unparsed_uri] => /dir/index.php?var=value
    [uri] => /dir/index.php
    [filename] => /home/htdocs/dir/index.php
    [args] => var=value
    [allowed] => 0
    [sent_bodyct] => 0
    [bytes_sent] => 0
    [request_time] => 1074282764
)
file exists!
]]>
    </screen>
   </example>
  </para>
 </refsect1>
</refentry>
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