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debug-backtrace.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: 201dc3748c7a94e788d470c697f017d2149c6736 Maintainer: cucinato Status: ready -->
<refentry xml:id="function.debug-backtrace" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>debug_backtrace</refname>
<refpurpose>Genera un backtrace</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>array</type><methodname>debug_backtrace</methodname>
<methodparam choice="opt"><type>bool</type><parameter>provide_object</parameter><initializer>true</initializer></methodparam>
</methodsynopsis>
<para>
<function>debug_backtrace</function> genera un backtrace PHP.
</para>
</refsect1>
<refsect1 role="parameters"><!-- {{{ -->
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>provide_object</parameter></term>
<listitem>
<para>
Abilita o meno la popolazione dell'indice "object".
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1><!-- }}} -->
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Restituisce un <type>array</type> associativo. Gli elementi che possono essere restituiti
sono elencati nella seguente tabella:
</para>
<para>
<table>
<title>Elementi restituibili dalla funzione <function>debug_backtrace</function></title>
<tgroup cols="3">
<thead>
<row>
<entry>&Name;</entry>
<entry>&Type;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>function</entry>
<entry><type>string</type></entry>
<entry>
Il nome della funzione corrente. Vedere anche
<link linkend="language.constants.predefined">__FUNCTION__</link>.
</entry>
</row>
<row>
<entry>line</entry>
<entry><type>integer</type></entry>
<entry>
Il numero della linea corrente. Vedere anche
<link linkend="language.constants.predefined">__LINE__</link>.
</entry>
</row>
<row>
<entry>file</entry>
<entry><type>string</type></entry>
<entry>
Il nome del file corrente. Vedere anche
<link linkend="language.constants.predefined">__FILE__</link>.
</entry>
</row>
<row>
<entry>class</entry>
<entry><type>string</type></entry>
<entry>
Il nome della <link linkend="language.oop5">class</link> corrente. Vedere anche
<link linkend="language.constants.predefined">__CLASS__</link>
</entry>
</row>
<row>
<entry>object</entry>
<entry><type>object</type></entry>
<entry>
L'<link linkend="language.oop5">object</link> corrente.
</entry>
</row>
<row>
<entry>type</entry>
<entry><type>string</type></entry>
<entry>
Il tipo di chiamata corrente. Se chiamata di metodo, viene restituito "->" is returned. Se chiamata
di metodo statico, viene restituito "::". Se chiamata di funzione, non viene restituito niente.
</entry>
</row>
<row>
<entry>args</entry>
<entry><type>array</type></entry>
<entry>
Se all'interno di una funzione, elenca gli argomenti della funzione.
Se all'interno di un file incluso, elenca i nomi del file incluso.
</entry>
</row>
</tbody>
</tgroup>
</table>
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<para>
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>5.2.5</entry>
<entry>
Aggiunto il parametro opzionale <parameter>provide_object</parameter>.
</entry>
</row>
<row>
<entry>5.1.1</entry>
<entry>
Aggiunto l'<type>object</type> corrente come possibile elemento di ritorno.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>debug_backtrace</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
// filename: /tmp/a.php
function a_test($str)
{
echo "\nHi: $str";
var_dump(debug_backtrace());
}
a_test('friend');
?>
<?php
// filename: /tmp/b.php
include_once '/tmp/a.php';
?>
]]>
</programlisting>
<para>
Dà risultati simili ai seguenti quando si esegue
<filename>/tmp/b.php</filename>:
</para>
<screen>
<![CDATA[
Hi: friend
array(2) {
[0]=>
array(4) {
["file"] => string(10) "/tmp/a.php"
["line"] => int(10)
["function"] => string(6) "a_test"
["args"]=>
array(1) {
[0] => &string(6) "friend"
}
}
[1]=>
array(4) {
["file"] => string(10) "/tmp/b.php"
["line"] => int(2)
["args"] =>
array(1) {
[0] => string(10) "/tmp/a.php"
}
["function"] => string(12) "include_once"
}
}
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>trigger_error</function></member>
<member><function>debug_print_backtrace</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
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