Op

offsetUnset($option) Not supported. Parameters

bool isRequired(string $option) Returns whether an option is required. An option is required

OptionsResolver setAllowedTypes(string

string[] getDefinedOptions() Returns the names of all defined options.

Op

array resolve(array $options = array()) Returns the combination of the default and the passed

string[] getMissingOptions() Returns the names of all options missing a default value.

Op

OptionsResolver setAllowedValues(string