<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.3 $ -->
  <refentry id="function.debug-print-backtrace">
   <refnamediv>
    <refname>debug_print_backtrace</refname>
    <refpurpose>
     Prints a backtrace
    </refpurpose>
   </refnamediv>
   <refsect1>
    &reftitle.description;
     <methodsynopsis>
      <type>void</type><methodname>debug_print_backtrace</methodname>
      <void/>
     </methodsynopsis>
    <para>
     <function>debug_print_backtrace</function> prints a PHP backtrace. It
     prints the function calls, included/required files and
     <function>eval</function>ed stuff.
    </para>
   </refsect1>

   <refsect1 role="parameters">
    &reftitle.parameters;
    <para>
     This function has no parameters.
    </para>
   </refsect1>

   <refsect1 role="returnvalues">
    &reftitle.returnvalues;
    <para>
     &return.void;
    </para>
   </refsect1>

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

function a() {
    b();
}

function b() {
    c();
}

function c(){
    debug_print_backtrace();
}

a();

?>


<?php
// test.php file
// this is the file you should run

include 'include.php';
?>
]]>
     </programlisting>
     &example.outputs.similar;
     <screen>
<![CDATA[
#0  eval() called at [/tmp/include.php:5]
#1  a() called at [/tmp/include.php:17]
#2  include(/tmp/include.php) called at [/tmp/test.php:3]

#0  c() called at [/tmp/include.php:10]
#1  b() called at [/tmp/include.php:6]
#2  a() called at [/tmp/include.php:17]
#3  include(/tmp/include.php) called at [/tmp/test.php:3]
]]>
     </screen>
    </example>
   </para>
  </refsect1>

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

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