Support get_cfg_var()

Author: staabm

src/Rules/Deprecations/CallWithDeprecatedIniOptionRule.php

@@ -28,6 +28,7 @@ class CallWithDeprecatedIniOptionRule implements Rule
 		'ini_set',
 		'ini_alter',
 		'ini_restore',
+	    'get_cfg_var',
 	];
 
 	private const DEPRECATED_OPTIONS = [