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mysqli::debug

mysqli_debug

(PHP 5, PHP 7)

mysqli::debug -- mysqli_debugPerforms 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

© 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