Description
void
trigger_error ( string error_msg [, int error_type])
Used to trigger a user error condition, it can be used by in conjunction
with the built-in error handler, or with a user defined function that has
been set as the new error handler
(set_error_handler()). This function is useful when
you need to generate a particular response to an exception at runtime.
For example:
See also error_reporting(),
set_error_handler(),
restore_error_handler(),
user_error()