archived-doc-zh/language/predefined/error/gettraceasstring.xml

<?xml version="1.0" encoding="utf-8"?>
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<!-- CREDITS: mowangjuanzi -->
<refentry xml:id="error.gettraceasstring" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>Error::getTraceAsString</refname>
  <refpurpose>获取字符串形式的调用栈（stack trace）</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis role="Error">
   <modifier>final</modifier> <modifier>public</modifier> <type>string</type><methodname>Error::getTraceAsString</methodname>
   <void/>
  </methodsynopsis>
  <para>
   以字符串形式返回 stack trace。
  </para>
 </refsect1>
 
 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>
 
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   以字符串形式返回 stack trace。
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>Error::getTraceAsString</function> 例子</title>
    <programlisting role="php">
<![CDATA[
<?php
function test() {
    throw new Error;
}

try {
    test();
} catch(Error $e) {
    echo $e->getTraceAsString();
}
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
#0 /home/bjori/tmp/ex.php(7): test()
#1 {main}
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>Throwable::getTraceAsString</methodname></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>
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