mysqli_debug

(PHP 5)

mysqli_debug -- Performs debugging operations

Description

void mysqli_debug ( string debug)

The mysqli_debug() function is used to perform debugging operations using the Fred Fish debugging library. The debug parameter is a string representing the debugging operation to perform.

注: To use the mysqli_debug() function you must complile the MySQL client library to support debugging.

Return values

mysqli_debug() doesn't return any value.

Example

例子 1. Generating a Trace File

<?php
    
/* Create a trace file in '/tmp/client.trace' on the local (client) machine: */
mysqli_debug("d:t:0,/tmp/client.trace");
    
?>