bool isArray() Returns true if the option can take multiple values.

bool isValueRequired() Returns true if the option requires a value.

bool isRequired() Returns true if the argument is required.

setArgument(string $name, string $value) Sets an argument value by name.

array getArgumentDefaults() Gets the default values.

class InputArgument Represents a command line argument. Constants

mixed getDefault() Returns the default value.

bool hasOption(string $name) Returns true if an InputOption object exists by name.

bool hasArgument(string|int $name) Returns true if an InputArgument object exists by name or

string getSynopsis(bool $short = false) Gets the synopsis.