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PHP PrettyException for Whoops

PrettyException is a component that helps to manipulate the Whoops component.

How to use

use PrettyException\PrettyException;

$exception = new PrettyException();

You can return the error using:

  • inPretty: returns with the Whoops screen
  • inJson: returns the exception in JSON
  • inText: returns the exception in text
  • inXml: returns the exception in XML

Then use the run method.

$exception = new PrettyException();
$exception->inPretty()->run();

Customizing the exception screen

It is possible to make some customizations on the exception screen.

setTitle: Sets the title for the error page.

$exception->setTitle('New Exception');

table: Adds a key=>value table of arbitrary data, labeled by $label, to the output. Useful where you want to display contextual data along with the error, about your application or project.

$exception->table('New Exception', [
    'exc' => 'test',
    'exc2' => 10
]);

tableCallback: Similar to PrettyPageHandler::addDataTable, but accepts a callable that will be called only when rendering an exception. This allows you to gather additional data that may not be available very early in the process.

$exception->tableCallback('New Exception Callback', function(\Whoops\Exception\Inspector $inspector) {
    $data = array();
    $exception = $inspector->getException();
    if ($exception instanceof SomeSpecificException) {
        $data['Important exception data'] = $exception->getSomeSpecificData();
    }
    $data['Exception class'] = get_class($exception);
    $data['Exception code'] = $exception->getCode();
    return $data;
});

closeTableAndRun: Closes the table and executes the exception. Optionally, you can add a comment.

$exception->closeTableAndRun($comment);

Running exception in other formats

In some cases like AJAX requests or using the command line, it is possible to display exceptions using runIfAjax and runIfCli.

runIfAjax will be executed if there are any AJAX requests and returned in JSON. Otherwise, the standard exception screen will be displayed.

runIfCli will only be run from the PHP command line.

$run->runIfAjax('Exception in AJAX');
$run->runIfCli('Exception in CLI');

License

MIT