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PHP Quiz PHP CertificatePHP set_exception_handler() Function
Complete PHP Error Reference
Definition and Usage
The set_exception_handler() function sets a user-defined function to handle exceptions.
This function is used to create a way of handling exceptions during runtime.
This function returns the old exception handler, or NULL on failure or if no previous handler is defined.
Syntax
set_exception_handler(exception_function)
| Parameter | Description |
|---|---|
| exception_function | Required. Specifies the function to be called when
an uncaught exception occurs. This function must be defined before calling the set_exception_handler() function. The exception handler function requires one parameter, which is the exception object that was thrown |
Tips and Notes
Tip: The script will stop executing after the exception handler is called.
Example
<?php
function myException($exception)
{
echo "<b>Exception:</b> " , $exception->getMessage();
}
set_exception_handler('myException');
throw new Exception('Uncaught Exception occurred');
?>
function myException($exception)
{
echo "<b>Exception:</b> " , $exception->getMessage();
}
set_exception_handler('myException');
throw new Exception('Uncaught Exception occurred');
?>
The output of the code above should be something like this:
Exception: Uncaught Exception occurred
Complete PHP Error Reference
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