Hi,
 
Ouuuuuuf, I do pass many hours to resolv this. NOTHING!!! 
I do connect to database witount the problem. 
But this code doesnt save into my database. 
     - $SQL->bind_param($SQL,'sssssd', $firstName, $lastname, $gender, $email, $passw, $num);  
 
 
 
Its gives this error:
Fatal error: Uncaught Error: Call to a member function bind_param() on bool in C:\xampp\htdocs\dashboard\RegistrationForm_save\connect.php:51 Stack trace: #0 {main} thrown in C:\xampp\htdocs\dashboard\RegistrationForm_save\connect.php on line 34
 
Please  this my codes:
 
index.html
     - <!DOCTYPE html>    
 
     - <html>    
 
     - <head>    
 
     -     <title>Registration Page</title>    
 
     -     <link rel="stylesheet" type="text/css" href="css/bootstrap.css">    
 
     - </head>    
 
     - <body>    
 
     -     <div class="container">    
 
     -         <div class="row col-md-6 col-md-offset-3">    
 
     -             <div class="panel panel-primary">    
 
     -                 <div class="panel-heading text-center">    
 
     -                     <h1>Registration Form</h1>    
 
     -                 </div>    
 
     -                 <div class="panel-body">    
 
     -                         <form action="connect.php" method="post">    
 
     -                                 <div class="form-group">    
 
     -                                     <label for="firstName">First Name</label>    
 
     -                                     <input type="text" class="form-control" id="firstName" />    
 
     -                                 </div>    
 
     -                                 <div class="form-group">    
 
     -                                     <label for="lastName">Last Name</label>    
 
     -                                     <input type="text" class="form-control" id="lastName" />    
 
     -                                 </div>    
 
     -                                 <div class="form-group">    
 
     -                                     <label for="email">Gender</label>    
 
     -                                     <div>    
 
     -                                         <label for="male" class="radio-inline"><input type="radio" name="gender" value="m" id="male">Male</label>    
 
     -                                         <label for="female" class="radio-inline"><input type="radio" name="gender" value="m" id="male">Female</label>    
 
     -                                         <label for="others" class="radio-inline"><input type="radio" name="gender" value="o" id="male">Others</label>    
 
     -                                     </div>    
 
     -                                 </div>    
 
     -                                 <div class="form-group">    
 
     -                                     <label for="email">Email</label>    
 
     -                                     <input type="text" class="form-control" id="email" name="email" />    
 
     -                                 </div>    
 
     -                                 <div class="form-group">    
 
     -                                     <label for="passw">password</label>    
 
     -                                     <input type="passw" class="form-control" id="passw" name="passw" />    
 
     -                                 </div>    
 
     -                                 <div class="form-group">    
 
     -                                     <label for="num">Phone Number</label>    
 
     -                                     <input type="num" class="form-control" id="num" name="num" />    
 
     -                                 </div>    
 
     -                                 <input type="submit" class="btn btn-primary">    
 
     -                                 </form>    
 
     -                             </div>    
 
     -                             <div class="panel-footer text-right">    
 
     -                                 <small>© Israel Mfwamba</small>    
 
     -                             </div>    
 
     -                         </div>  
 
 
index.php
     - $servername = "localhost:3307";  
 
     - $database = "registrationform1";  
 
     - $db_found = new mysqli($servername, $database );  
 
     - $SQL = $db_found->prepare("INSERT INTO registration (firstName, lastname, gender, email, passw, num) VALUES (?, ?, ?, ?, ?, ?)");  
 
     -   
 
     - $SQL->bind_param($SQL,'sssssd', $firstName, $lastname, $gender, $email, $passw, $num);  
 
     - $SQL->execute();  
 
     - $stmt = $conn->prepare($SELECT);  
 
     - $stmt->bind_param("s", $firstName, $lastname, $gender, $email, $passw, $num);  
 
     - $stmt->execute();  
 
     - $stmt->bind_result($firstName, $lastname, $gender, $email, $passw, $num);  
 
     - $stmt->store_result();  
 
     - $rnum = $stmt->num_rows;  
 
     - if ($rnum==0)  
 
     - {  
 
     - $stmt->close();  
 
     - $stmt = $conn->prepare($INSERT);  
 
     - $stmt->bind_param("ssssss", $firstName, $lastname, $gender, $email, $passw, $num);  
 
     - $stmt->execute();  
 
     - echo "New record inserted sucessfully";  
 
     - }  
 
     - ?>