php-doc-en/reference/maxdb/functions/maxdb-errno.xml
Thomas Simenec c5ff12273c MaxDB PHP documentation
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@177090 c90b9560-bf6c-de11-be94-00142212c4b1
2005-01-12 18:53:25 +00:00

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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.1.1.1 $ -->
<refentry id="function.maxdb-errno">
<refnamediv>
<refname>maxdb_errno</refname>
<refpurpose>Returns the error code for the most recent function call</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>Procedural style:</para>
<methodsynopsis>
<type>int</type><methodname>maxdb_errno</methodname>
<methodparam><type>resource</type><parameter>link</parameter></methodparam>
</methodsynopsis>
<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>
<title>Return values</title>
<para>
An error code value for the last call, if it failed. zero means no error occurred.
</para>
</refsect1>
<refsect1>
<title>See also</title>
<para>
<function>maxdb_connect_errno</function>,
<function>maxdb_connect_error</function>,
<function>maxdb_error</function>,
<function>maxdb_sqlstate</function>
</para>
</refsect1>
<refsect1>
<title>Example</title>
<example>
<title>Procedural style</title>
<programlisting role="php">
<![CDATA[
<?php
$link = maxdb_connect("localhost", "MONA", "RED");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
if (!maxdb_query($link, "SELECT xxx FROM hotel.city")) {
printf("Errorcode: %d\n", maxdb_errno($link));
}
/* close connection */
maxdb_close($link);
?>
]]>
</programlisting>
</example>
<para>
The above examples would produce the following output:
</para>
<screen>
<![CDATA[
PHP Warning: maxdb_query(): -4005 POS(8) Unknown column name:XXX [42000] <...>
Errorcode: -4005
]]>
</screen>
</refsect1>
</refentry>
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