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Yaf_Dispatcher::catchException

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(Yaf >=1.0.0)

Yaf_Dispatcher::catchException — Switch on/off exception catching

Description

public Yaf_Dispatcher::catchException ([ bool $flag ] ) : Yaf_Dispatcher

While the application.dispatcher.throwException is On(you can also calling to Yaf_Dispatcher::throwException(TRUE)() to enable it), Yaf will throw Exception whe error occurrs instead of trigger error.

then if you enable Yaf_Dispatcher::catchException()(also can enabled by set application.dispatcher.catchException), all uncaught Exceptions will be caught by ErrorController::error if you have defined one.

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Examples

Example #1 Yaf_Dispatcher::catchException()example

/* if you defined a ErrorController like following */
<?php
class ErrorController extends Yaf_Controller_Abstract {
     /** 
      * you can also call to Yaf_Request_Abstract::getException to get the 
      * un-caught exception.
      */
     public function errorAction($exception) {
        /* error occurs */
        switch ($exception->getCode()) {
            case YAF_ERR_NOTFOUND_MODULE:
            case YAF_ERR_NOTFOUND_CONTROLLER:
            case YAF_ERR_NOTFOUND_ACTION:
            case YAF_ERR_NOTFOUND_VIEW:
                echo 404, ":", $exception->getMessage();
                break;
            default :
                $message = $exception->getMessage();
                echo 0, ":", $exception->getMessage();
                break;
        }
     } 
}
?>

The above example will output something similar to:

/* now if some error occur, assuming access a non-exists controller(or you can throw a exception yourself): */
404:Could not find controller script **/application/controllers/No-exists-controller.php
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-yaf-dispatcher.catchexception.html

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References

  1. View the html document Language of the document:fr Manuel PHP : http://php.net

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