function InputBag::all
Returns the parameters.
Parameters
string|null $key: The name of the parameter to return or null to get them all.
Return value
array An array of parameters.
File
- 
              core/lib/ Drupal/ Core/ Http/ InputBag.php, line 24 
Class
- InputBag
- Forward compatibility class for Symfony 5.
Namespace
Drupal\Core\HttpCode
public function all(string $key = NULL) : array {
  if ($key === NULL) {
    return $this->parameters;
  }
  $value = $this->parameters[$key] ?? [];
  if (!is_array($value)) {
    throw new \UnexpectedValueException(sprintf('Unexpected value for parameter "%s": expecting "array", got "%s".', $key, get_debug_type($value)));
  }
  return $value;
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
