php驗證和mongodb

Question

我正在使用PHP和mongodb進行註冊表單。這種形式的工作，但問題是它沒有執行驗證。即使我將所有字段留空，它也會使用空字段更新數據庫。它彷彿整個error = array();是不可見的。

我需要的是它執行檢查並不更新數據庫，直到滿足所有要求。

<?php 
    session_start(); 

    if($_POST['submit']){ 
     $ScName=strip_tags($_POST['ScName']); 
     $fname=strip_tags($_POST['fname']); 
     $lname=strip_tags($_POST['lname']); 
     $email=strip_tags($_POST['email']); 
     $password=strip_tags($_POST['password']); 
     $password2=strip_tags($_POST['password2']); 

     $error = array(); 

      if(empty($email) or !filter_var($email,FILTER_SANITIZE_EMAIL)){ 
       $error[] = "Email id is empty or invalid"; 
      } 
      if(empty($password)){ 
       $error[] = "Please enter password"; 
      } 
      if(empty($password2)){ 
       $error[] = "Please Confirm password"; 
      } 
      if($password != $password2){ 
       $error[] = "Password and Confirm password are not matching"; 
      } 
      if(empty($fname)){ 
       $error[] = "Enter first name"; 
      } 
      if(empty($lname)){ 
       $error[] = "Enter last name"; 
      } 

      if(count($error == 0)){ 
       //database configuration 
       $host = 'localhost'; 
       $database_name = 'mongo1'; 
       $database_user_name = ''; 
       $database_password = ''; 

       $connection=new Mongo('localhost'); 

       if($connection){ 

        //connecting to database 
        $database=$connection->user; 

        //connect to specific collection 
        $collection=$database->user; 

        $query=array('email'=>$email); 
        //check for existing username 
        //$query=array('ScName'=>$ScName); 
        //checking for existing user 
        $count=$collection->findOne($query); 

        if(!count($count)){ 
         //Save the New user 
         $user=array('fname'=>$fname,'lname'=>$lname,'ScName'=>$ScName,'email'=>$email,'password'=>md5($password));    
         $collection->save($user); 
         echo "You are successfully registered."; 
        }else{ 
         echo "Email already exists.Please register with another Email"; 
        } 

       }else{ 

         die("Database is not connected"); 
       } 

      }else{ 
       //Displaying the error 
       foreach($error as $err){ 
        echo $err.'</br>'; 
       } 
      } 
      } 

    ?> 

Answer 1

您已放錯位置的托架在

if(count($error == 0)){ 

由於$error == 0是false，作爲$error是一個已填充陣列，count(false)評估爲0（即，false），並且if分支不執行。您應該在$error後關閉支架：

if (count($error) == 0) {