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The user_error function generates a user error, warning, or notice. Let's examine its operation with examples.
- Parameters
- Php Version
- Example 1
- Example 2
- Example 3
- Example 4
Here are the parameters of the user_error()function − 1. $error_msg− (Required) It specifies the error message. Limited to 1024 characters in length. 2. $error_types − (Optional) It specifies the error type for this error message. Possible error types − 2.1. E_USER_ERROR− Fatal user-generated run-time error. Errors that can not be recovered from. E...
First introduced in core PHP 4, the user_error()function continues to function easily in PHP 5, PHP 7, and PHP 8.
This program demonstrates the simple use of the PHP Error Handling user_error()function to display a user-defined warning message. It starts an informational message that is not necessary that does not stop the script.
This program shows how to generate a warning with the help of the user_error()function. The warning is displayed to the user, but the script will still run. Basically we are using the optional parameter $error_types E_USER_WARNING which is used to given user generated run time error.
Now the below code uses the E_USER_ERROR inside the user_error()method, and create a critical error message. The program execution stops when the error is triggered.
In the following example, we are using the user_error()function and combining it with a custom error handler. This program uses user_error() function to handle errors in a user-defined way and set_error_handler() to set a custom error handler.
PHP Error Introduction The error functions are used to deal with error handling and logging. The error functions allow us to define own error handling rules, and modify the way the errors can be logged. The logging functions allow us to send messages directly to other machines, emails, or system logs.
The user_error () function is used to trigger an error message at a user-specified condition. It can be used with the built-in error handler, or with a user defined function set by the set_error_handler () function.
PHP Codex data is built by collecting PHP symbol data on the latest release of each PHP version, or the nightly builds of the active development branch, and analyzing them to determine their availability and signature data.
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Aug 19, 2022 · PHP function user_error() generates a user-level error or warning or notice.
