get-resource-id.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 77887dc8e5ee9e840f0ed440431c70259fcc5661 Maintainer: Luffy Status: ready -->
<refentry xml:id="function.get-resource-id" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>get_resource_id</refname>
  <refpurpose>
   返回给定资源的整数标识符
  </refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>int</type><methodname>get_resource_id</methodname>
   <methodparam><type>resource</type><parameter>resource</parameter></methodparam>
  </methodsynopsis>
  <para>
   此函数提供了一种类型安全的方式来生成资源的整数标识符。
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>resource</parameter></term>
     <listitem>
      <para>
       需要获取的资源句柄。
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   给定 <parameter>resource</parameter> 的 <type>int</type> 标识符。 
  </para>
  <para>
   此函数本质上是对 <parameter>resource</parameter> 的 <type>int</type> 转换，使得更容易获取资源的标识符。
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>get_resource_id</function> 与 <type>int</type> 转换的结果相同</title>
    <programlisting role="php">
<![CDATA[
<?php
$handle = fopen("php://stdout", "w");

echo (int) $handle . "\n";

echo get_resource_id($handle);

?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen role="php">
<![CDATA[
698
698
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>get_resource_type</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>
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