App::get
Usage
mixed App::get(string $key, [?stsring $default = null], [string $filters = 'escape'])Description
Retrieve a variable contained within the query string (ie. $_GET super global)Parameters
| Parameter | Required | Type | Description |
|---|---|---|---|
| $key | Yes | string | The name of the variable within the query string to retrieve. |
| $default | No | ?string | The value to return if the key does not exist within the query string. Defaults to null. |
| $filters | No | string | "Period delimited string of words that denote the filters to apply before returning the value. See the Request Inputs page for available filters. |
Return Value
The value of the form field.Examples
Get values of some variables within the query string.
if (!$id = $app->get('product_id')) {
throw new Exception("No product ID specified.");
}
$quantity = $app->get('quantity', '1');