mysqli::debug
mysqli_debug
(PHP 5, PHP 7)
mysqli::debug -- mysqli_debug — Performs debugging operations
Description
Object oriented style
public mysqli::debug ( string $message ) : bool
Procedural style
mysqli_debug ( string $message ) : bool
Performs debugging operations using the Fred Fish debugging library.
Parameters
-
message
-
A string representing the debugging operation to perform
Return Values
Returns true
.
Notes
Note:
To use the mysqli_debug() function you must compile the MySQL client library to support debugging.
Examples
Example #1 Generating a Trace File
<?php /* Create a trace file in '/tmp/client.trace' on the local (client) machine: */ mysqli_debug("d:t:o,/tmp/client.trace"); ?>
See Also
- mysqli_dump_debug_info() - Dump debugging information into the log
- mysqli_report() - Alias of mysqli_driver->report_mode
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/mysqli.debug.php