/**
* Filter the URL by normalizing it and applying a default scheme if set
*
* @param string $value
* @return string
*/
public function filter($value)
{
$defaultScheme = $this->defaultScheme ?: $this->enforcedScheme;
// Reset default scheme if it is not a known scheme
if (!UriFactory::getRegisteredSchemeClass($defaultScheme)) {
$defaultScheme = null;
}
try {
$uri = UriFactory::factory($value, $defaultScheme);
if ($this->enforcedScheme && !$uri->getScheme()) {
$this->enforceScheme($uri);
}
} catch (UriException $ex) {
// We are unable to parse / enfore scheme with the given config and input
return $value;
}
$uri->normalize();
if (!$uri->isValid()) {
return $value;
}
return $uri->toString();
}
