How to adjust the error severity of CodeIgniter

When CI is not used, we can use error_reporting (E_ALL); error_reporting (0); such code to control the error reporting level. Of course, you can also use these statements in the class, but CI itself has a mechanism to control the error level.

You may not open index. php frequently, but the modification is in this file:

/* *--------------------------------------------------------------- * APPLICATION ENVIRONMENT *--------------------------------------------------------------- * * You can load different configurations depending on your * current environment. Setting the environment also influences * things like logging and error reporting. * * This can be set to anything, but default usage is: * *     development *     testing *     production * * NOTE: If you change these, also change the error_reporting() code below * */define('ENVIRONMENT', 'development');/* *--------------------------------------------------------------- * ERROR REPORTING *--------------------------------------------------------------- * * Different environments will require different levels of error reporting. * By default development will show errors but testing and live will hide them. */if (defined('ENVIRONMENT')){switch (ENVIRONMENT){case 'development':error_reporting(E_ALL);break;case 'testing':case 'production':error_reporting(0);break;default:exit('The application environment is not set correctly.');}}

ENVIRONMENT is used to control the error reporting level. By default, there are three options: development testing production, which are controlled by the preceding switch statement. The code is clear and can be changed as needed.