![]() This function takes two parameters-an error message string and an error level. If your code encounters an error, use trigger_error() with a descriptive message to let your error handler know something went wrong instead of using the die() function to abruptly terminate everything. In your code, use the trigger_error() function for custom errors. Like the core constants, there are levels for fatal errors ( E_USER_ERROR), warnings ( E_USER_WARNING), and notices ( E_USER_NOTICE). You can use the E_USER_* error levels in your application to report errors with varying severity for logging. However, this isn’t recommended, as it can lead to confusion.Įrror_log('Invalid input on user login', 3, '/var/trigger_error() You can also send a message to a different file. You can read more about logging in Apache in this guide. On an Apache server, this will add a new line to /var/log/apache2/error.log. This function sends a message to the currently configured error log. Understanding how logging works natively in PHP has value, but you should also look into using popular PHP logging libraries because of the functionality they add. ![]() Here are functions used to facilitate application error logging. When log_errors is enabled but error_log hasn’t been defined, errors are logged to the web server error log. The default locations for Apache and NGINX are as follows: ![]()
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