public static boolean operate ( PageContext pc , String [ ] varNames ) { int scope = VariableInterpreter . scopeString2Int ( pc . ignoreScopes ( ) , varNames [ 0 ] ) ; return _operate ( pc , scope , KeyImpl . toKeyArray ( varNames ) , scope == Scope . SCOPE_UNDEFINED ? 0 : 1 ) ; }
called by the Elvis operator from the interpreter