40 $vector_action = "article";  variable
49     $vector_action = (string)$_GET["vecdo"];  variable
51     $vector_action = (string)$_POST["vecdo"];  variable
53 if (!empty($vector_action) &&
54     $vector_action !== "article" &&
55     $vector_action !== "print" &&
56     $vector_action !== "detail" &&
57     $vector_action !== "cite"){
59     $vector_action = "article";  variable
461 if ($vector_action === "print"){
487                   case ($vector_action === "detail"):
488                   case ($vector_action === "cite"):
505                   case ($vector_action === "print"):
604     switch ($vector_action){