/**
* Determine if an argument has been defined on the command line.
*
* This can be useful for making sure an argument is present on the command
* line before parse()'ing them into argument objects.
*
* @param string $name
* @param array $argv
*
* @return bool
*/
public function defined($name, array $argv = null)
{
// The argument isn't defined if it's not defined by the calling code.
if (!$this->exists($name)) {
return false;
}
$argument = $this->arguments[$name];
$command_arguments = $this->parser->arguments($argv);
foreach ($command_arguments as $command_argument) {
if ($this->isArgument($argument, $command_argument)) {
return true;
}
}
return false;
}
