The set_exception_handler() is an inbuilt function of PHP and is used to sets a user-defined exception handler function. It will returns the name of the previously defined exception handler, or NULL on error. If no previous handler was defined, NULL is also returned.
Example #1 set_exception_handler() function example
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<?php function exception_handler($exception) { echo "Uncaught exception: " , $exception->getMessage(), "\n"; } set_exception_handler('exception_handler'); throw new Exception('Uncaught Exception'); echo "Not Executed\n"; ?> |
Example #2 set_exception_handler() function example
If you want a class instance to handle the exception, this is how you do it.
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<?php class example { public function __construct() { @set_exception_handler(array($this, 'exception_handler')); throw new Exception('DOH!!'); } public function exception_handler($exception) { print "Exception Caught: ". $exception->getMessage() ."\n"; } } $example = new example; ?> |
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