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errorinfo.xml
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errorinfo.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="pdo.errorinfo" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>PDO::errorInfo</refname>
<refpurpose>
Fetch extended error information associated with the last operation on the database handle
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>array</type><methodname>PDO::errorInfo</methodname>
<void/>
</methodsynopsis>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
<function>PDO::errorInfo</function> returns an array of error information
about the last operation performed by this database handle. The array
consists of the following fields:
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>Element</entry>
<entry>Information</entry>
</row>
</thead>
<tbody>
<row>
<entry>0</entry>
<entry>SQLSTATE error code (a five characters alphanumeric identifier defined
in the ANSI SQL standard).</entry>
</row>
<row>
<entry>1</entry>
<entry>Driver-specific error code.</entry>
</row>
<row>
<entry>2</entry>
<entry>Driver-specific error message.</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
<note>
<para>
If the SQLSTATE error code is not set or there is no driver-specific
error, the elements following element 0 will be set to &null;.
</para>
</note>
<para>
<function>PDO::errorInfo</function> only retrieves error information for
operations performed directly on the database handle. If you create a
PDOStatement object through <function>PDO::prepare</function> or
<function>PDO::query</function> and invoke an error on the statement
handle, <function>PDO::errorInfo</function> will not reflect the error
from the statement handle. You must call
<function>PDOStatement::errorInfo</function> to return the error
information for an operation performed on a particular statement handle.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example><title>Displaying errorInfo() fields for a PDO_ODBC connection to a DB2 database</title>
<programlisting role="php">
<![CDATA[
<?php
/* Provoke an error -- bogus SQL syntax */
$stmt = $dbh->prepare('bogus sql');
if (!$stmt) {
echo "\nPDO::errorInfo():\n";
print_r($dbh->errorInfo());
}
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
PDO::errorInfo():
Array
(
[0] => HY000
[1] => 1
[2] => near "bogus": syntax error
)
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>PDO::errorCode</function></member>
<member><function>PDOStatement::errorCode</function></member>
<member><function>PDOStatement::errorInfo</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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