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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.3 $ -->
<refentry id="function.maxdb-debug">
<refnamediv>
<refname>maxdb_debug</refname>
<refpurpose>Performs debugging operations</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>void</type><methodname>maxdb_debug</methodname>
<methodparam><type>string</type><parameter>debug</parameter></methodparam>
</methodsynopsis>
<para>
The <function>maxdb_debug</function> can be used to trace the SQLDBC communication. The following
strings can be used as a parameter to <function>maxdb_debug</function>:
</para>
<simplelist>
<member>TRACE SHORT ON|OFF - Enables/disables method call trace.</member>
<member>TRACE LONG ON|OFF - Enables/disables method argument and detail debug trace.</member>
<member>TRACE PACKET ON|OFF|<size> - Enables/disables packet trace, limiting the size of the
traced object to the specified number of bytes, or 1000 if no size is specified.</member>
<member>TRACE SQL ON|OFF - Enables/disables high level api trace.</member>
<member>TRACE TIMESTAMP ON|OFF - Enables/disables a timestamp prefix on each line that is
traced.</member>
<member>TRACE SIZE <size> - Limits the size of the trace file to <size> bytes,
at least 8192 bytes are required.</member>
</simplelist>
</refsect1>
<refsect1>
<title>Return values</title>
<para><function>maxdb_debug</function> doesn't return any value.</para>
</refsect1>
<refsect1>
<title>Example</title>
<example>
<title>Procedural style</title>
<programlisting role="php">
<![CDATA[
<?php
maxdb_debug("trace packet 200");
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (!$link) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
/* close connection */
maxdb_close($link);
?>
]]>
</programlisting>
</example>
<para>
The above example produces no output.
</para>
</refsect1>
</refentry>
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