CodeIgniter enables you to develop error reporting into your applications by using the below-given functions. Also, it has a class dedicated to error logging that permits messages related to error and debugging to be saved as text files.
Functions related to error handling are :
This function will display the error message provided by the application/errors/errorgeneral.php template.
show_error(‘message’ [, int $statuscode= 500 ] )​
This function shows the 404 error message supplied to it by using the
application/errors/error404.php template.
show_404(‘page’ [, ‘logerror’])​
This function permits you to write messages onto your log files. You must provide anyone among three “
levels” in the first parameter that indicates the message type (debug, error, info), with the message itself in the second parameter.
log_message(‘level’, ‘message’)​
