Returns a clear error string for the given error code.
Parameters
- errno
The error code. If not provided, the result code of the last db++
operation is assumed.
Return Values
Returns the error message.
Notes
Warning: This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk.