public function ParameterBag::getAlpha

Returns the alphabetic characters of the parameter value.

@api

Parameters

string $key The parameter key:

mixed $default The default value if the parameter key does not exist:

boolean $deep If true, a path like foo[bar] will find deeper items:

Return value

string The filtered value

File

drupal/core/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/ParameterBag.php, line 202

Class

ParameterBag

ParameterBag is a container for key/value pairs.

Namespace

Code

public function getAlpha($key, $default = '', $deep = false) {
  return preg_replace('/[^[:alpha:]]/', '', $this
    ->get($key, $default, $deep));
}