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set_exception_handler

set_exception_handler

Sets a user-defined exception handler function

 **set_exception_handler**  $callback

Sets the default exception handler if an exception is not caught within a try/catch block. Execution will stop after the is called. callback

callback The function to be called when an uncaught exception occurs. This handler function needs to accept one parameter, which will be the object that was thrown. Both and implement the interface. This is the handler signature: Throwable``Error``Exception``Throwable

  ```php

void **** Throwable $ex




null may be passed instead, to reset this handler to its default state.



Returns the previously defined exception handler, or null on error. If
   no previous handler was defined, null is also returned.


   
  **Voorbeeld:  example**

```php
<?php
function exception_handler(Throwable $exception) {
  echo "Uncaught exception: " , $exception->getMessage(), "\n";
}

set_exception_handler('exception_handler');

throw new Exception('Uncaught Exception');
echo "Not Executed\n";
?>

get_exception_handler``restore_exception_handler``restore_error_handler``error_reportingExceptions

Vorige ← set_error_handler Volgende trigger_error →

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