set_exception_handler
(PHP 5)
set_exception_handler —
Sets a user-defined exception handler function
Description
string set_exception_handler
(
callback $exception_handler
)
Parameters
-
exception_handler
-
Name of the function to be called when an uncaught exception occurs.
This function must be defined before calling
set_exception_handler(). This handler function
needs to accept one parameter, which will be the exception object that
was thrown.
Return Values
Returns the name of the previously defined exception handler, or NULL on error. If
no previous handler was defined, NULL is also returned.
Examples
Example #1 set_exception_handler() example
<?php
function exception_handler($exception) {
echo "Uncaught exception: " , $exception->getMessage(), "\n";
}
set_exception_handler('exception_handler');
throw new Exception('Uncaught Exception');
echo "Not Executed\n";
?>