YouTipFunc Mysqli Debug
# PHP mysqli_debug() Function
## Example
Create a trace file in "/temp/client.trace" on the local machine:
```php
* * *
## Definition and Usage
The `mysqli_debug()` function is used to perform debugging operations.
**Note:** To use this function, you must compile the MySQL client library with debugging support.
* * *
## Syntax
`mysqli_debug(_message_);`
| Parameter | Description |
| :--- | :--- |
| _message_ | Required. A string representing the debugging operation to perform. |
## Technical Details
| Return Value: | TRUE |
| :--- |
| PHP Version: | 5+ |
* * *