PHP WordPress – Check If MultiSite From CLI

require(dirname(__DIR__) . '/html/wp-config.php');

if(defined('WP_ALLOW_MULTISITE'))
	{
		if (constant("WP_ALLOW_MULTISITE") == true)
			{
				echo "\nThis site is MultiSite\n";
			}
		else
			{
				echo "\nThis site is not MultiSite\n";
			}
	}
else
	{
		echo "\nThis site is not MultiSite\n";
	}

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