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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.3 $ -->
<!-- splitted from ./en/functions/ldap.xml, last change in rev 1.12 -->
<refentry id="function.ldap-errno">
<refnamediv>
<refname>ldap_errno</refname>
<refpurpose>
Return the LDAP error number of the last LDAP command
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>int</type><methodname>ldap_errno</methodname>
<methodparam><type>resource</type><parameter>link_identifier</parameter></methodparam>
</methodsynopsis>
<para>
Return the LDAP error number of the last LDAP command for this
link.</para>
<para>
This function returns the standardized error number returned by
the last LDAP command for the given
<parameter>link_identifier</parameter>. This number
can be converted into a textual error message using
<function>ldap_err2str</function>.</para>
<para>
Unless you lower your warning level in your &php.ini; sufficiently
or prefix your LDAP commands with @ (at) characters to suppress
warning output, the errors generated will also show up in your
HTML output.
<example>
<title>Generating and catching an error</title>
<programlisting role="php">
<![CDATA[
<?php
// This example contains an error, which we will catch.
$ld = ldap_connect("localhost");
$bind = ldap_bind($ld);
// syntax error in filter expression (errno 87),
// must be "objectclass=*" to work.
$res = @ldap_search($ld, "o=Myorg, c=DE", "objectclass");
if (!$res) {
echo "LDAP-Errno: " . ldap_errno($ld) . "<br />\n";
echo "LDAP-Error: " . ldap_error($ld) . "<br />\n";
die("Argh!<br />\n");
}
$info = ldap_get_entries($ld, $res);
echo $info["count"] . " matching entries.<br />\n";
?>
]]>
</programlisting>
</example></para>
<para>
See also <function>ldap_err2str</function> and
<function>ldap_error</function>.</para>
</refsect1>
</refentry>
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