getcode.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 09c49da6f0167fcdfe53a76e3ea28ecfc0eb337b Maintainer: daijie Status: ready -->
<!-- CREDITS: mowangjuanzi -->
<refentry xml:id="exception.getcode" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>Exception::getCode</refname>
  <refpurpose>获取异常代码</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis role="Exception">
   <modifier>final</modifier> <modifier>public</modifier> <type>int</type><methodname>Exception::getCode</methodname>
   <void />
  </methodsynopsis>
  <para>
   返回异常代码。
  </para>
 </refsect1>
 
 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>
 
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   <classname>Exception</classname> 返回整型（<type>int</type>）的异常代码，但在其他类中可能返回其他类型(比如在 <classname>PDOException</classname> 中返回 <type>string</type>)。
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>Exception::getCode</function>示例</title>
    <programlisting role="php">
<![CDATA[
<?php
try {
    throw new Exception("Some error message", 30);
} catch(Exception $e) {
    echo "The exception code is: " . $e->getCode();
}
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
The exception code is: 30
]]>
    </screen>
   </example>
  </para>
 </refsect1>
 
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>Throwable::getCode</methodname></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>
 
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