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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.6 $ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.maxdb-errno">
<refnamediv>
<refname>maxdb_errno</refname>
<refname>maxdb->errno</refname>
<refpurpose>Returns the error code for the most recent function call</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<para>Procedural style:</para>
<methodsynopsis>
<type>int</type><methodname>maxdb_errno</methodname>
<methodparam><type>resource</type><parameter>link</parameter></methodparam>
</methodsynopsis>
<para>Object oriented style (property):</para>
<classsynopsis>
<ooclass><classname>maxdb</classname></ooclass>
<fieldsynopsis><type>int</type><varname>errno</varname></fieldsynopsis>
</classsynopsis>
<para>
The <function>maxdb_errno</function> function will return the last error code for
the most recent MaxDB function call that can succeed or fail with respect to the
database link defined by the <parameter>link</parameter> parameter. If no errors
have occured, this function will return zero.
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
An error code value for the last call, if it failed. zero means no error occurred.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title>Object oriented style</title>
<programlisting role="php">
<![CDATA[
<?php
$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
if (!$maxdb->query("SELECT xxx FROM hotel.city")) {
printf("Errorcode: %d\n", $maxdb->errno);
}
/* close connection */
$maxdb->close();
?>
]]>
</programlisting>
</example>
<example>
<title>Procedural style</title>
<programlisting role="php">
<![CDATA[
<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
if (!maxdb_query($link, "SELECT xxx FROM hotel.city")) {
printf("Errorcode: %d\n", maxdb_errno($link));
}
/* close connection */
maxdb_close($link);
?>
]]>
</programlisting>
</example>
&example.outputs.similar;
<screen>
<![CDATA[
PHP Warning: maxdb_query(): -4005 POS(8) Unknown column name:XXX [42000] <...>
Errorcode: -4005
]]>
</screen>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>maxdb_connect_errno</function></member>
<member><function>maxdb_connect_error</function></member>
<member><function>maxdb_error</function></member>
<member><function>maxdb_sqlstate</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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