HTML表单数据未使用PHP和PDO插入MySQL数据库

Question

since i am new new here,i'm trying to be specific on my question. please tell me if you need more info.

Whenever i'm trying to submit the form it doesn't show any error regarding the code. it only show echo statement "FAILED"

i am using this loop to see if the values are submitted or not. this is working fine. it shows that all the values are submitted but these values are not inserting into database .

foreach ($_POST as $key => $value) {
    echo "($key) => ($value)<br/>";
}

my html form code is :

        <div class="formstyle">
        <h2> Sign up </h2>
<center>
<form method = 'POST' name="form1" onSubmit="return validateForm()" action="">

   <table border='0'>
 <tr>
  <td><LABEL for="firstname">First Name:<sup style="color:#F00">*</sup> </LABEL></td>
         <td><INPUT type="text" name = "fname" id="fname" value="<?php echo $fname;?>"></td><td width="200px"><i style="color:red;" id="pointfn"></i></td>
 </tr>
 <tr>
  <td><LABEL for="lastname">Last Name:<sup style="color:#F00">*</sup> </LABEL></td>
  <td><INPUT type="text" name ="lname" id="lname" value="<?php echo $lname;?>"> </td><td width="200px"><i style="color:red;" id="pointln"></i></td>
 </tr>

 <tr>
   <td><LABEL for="gender">Gender:<sup style="color:#F00">*</sup> </LABEL></td> <td>
   <INPUT type="radio" name="gender" id="gender" <?php if (isset($gender) && $gender=="male") echo "checked";?> value="male"> Male
   <INPUT type="radio" name="gender" id="gender" <?php if (isset($gender) && $gender=="female") echo "checked";?> value="female"> Female</td><td width="200px"> <i style="color:red;" id="pointgendr"></i></td>
 </tr>

  <tr>
  <td><LABEL for="email">Email:<sup style="color:red;">*</sup> </LABEL></td>
  <td><INPUT type="text" name = "email" id="email" value="<?php echo $email;?>"></td><td width="200px"><i style="color:red;" id="pointemail"></i></td>
 </tr>

 <tr>
  <td><LABEL for="password">Password:<sup style="color:#F00">*</sup> </LABEL></td>
  <td><INPUT type="password" name ="password" id="password" value="<?php echo $password;?>"></td><td width="200px"><i style="color:red;" id="pointpassword"></i></td>
 </tr>

 <tr>
  <td></td><td><br/><INPUT type="submit" name = "register" value="Create Account">
  <INPUT type="reset" onClick="return confirmreset()"></td>
 </tr>

 <tr>
  <td></td><td style="font-size:12px;text-align:right;"><br/><i style="color:red;font-size:12px;align:right;" >* - Mandatory</i></td>
 </tr>
    </table>

     </form></center>  

this is the php code that inserting everything into database

    require('connect.php');

$fname = $lname = $gender = $email = $password = "";

if(isset($_POST['register'])){

    $stmt = $pdo->prepare('INSERT INTO user(fname,lname,gender,email,password)
    VALUES (:fname, :lname, :gender, :email, :password)');
    $stmt->bindValue(':fname',$fname);
    $stmt->bindValue(':lname',$lname);
    $stmt->bindValue(':gender',$gender);
    $stmt->bindValue(':email',$email);
    $passwordHash = password_hash($password, PASSWORD_BCRYPT, array("cost" => 12));
    $stmt->bindValue(':password',$passwordHash);
    $stmt->execute();


    $email_stmt = $pdo->prepare("SELECT email FROM user WHERE email = :email");
    $email_stmt->bindParam(':email', $email);
    $email_stmt->execute();

    if ($email_stmt->rowCount()>0){
        echo 'Email Already Exists. Use Different Email OR Login ';
        } else {
        //Successful Registration 
        echo 'Registration Successful';
    } 
} else {
    echo 'FAILED';
}

?>

any help would be appreciated. Cheers.

Answer 1

Looks like you don't need a foreach for this form. I think you should try for example:

echo  $_POST['fname'];

http://php.net/manual/en/reserved.variables.post.php

Also this name = "fname" should be this name="fname"

Answer 2

You must put POST'S into variables. Try this

    require('connect.php');

$fname = $lname = $gender = $email = $password = "";

if(isset($_POST['register'])){

    $fname = $_POST['fname'];
    $lname = $_POST['lname'];
    $gender = $_POST['gender'];
    $email = $_POST['email'];
    $password = $_POST['password'];

    $stmt = $pdo->prepare('INSERT INTO user(fname,lname,gender,email,password)
    VALUES (:fname, :lname, :gender, :email, :password)');
    $stmt->bindValue(':fname',$fname);
    $stmt->bindValue(':lname',$lname);
    $stmt->bindValue(':gender',$gender);
    $stmt->bindValue(':email',$email);
    $passwordHash = password_hash($password, PASSWORD_BCRYPT, array("cost" => 12));
    $stmt->bindValue(':password',$passwordHash);
    $stmt->execute();


    $email_stmt = $pdo->prepare("SELECT email FROM user WHERE email = :email");
    $email_stmt->bindParam(':email', $email);
    $email_stmt->execute();

    if ($email_stmt->rowCount()>0){
        echo 'Email Already Exists. Use Different Email OR Login ';
        } else {
        //Successful Registration 
        echo 'Registration Successful';
    } 
} else {
    echo 'FAILED';
}

?>

Answer 3

you are checking if email taken after using insert

try this

 if(isset($_POST['register'])){

    $password = $_POST['password'];
    $fname = $_POST['fname'];
    $email = $_POST['email'];
    $lname = $_POST['lname'];
    $gender = $_POST['gender'];
    $passwordHash = password_hash($password, PASSWORD_BCRYPT, array("cost" => 12));

    //validate form here

    $email_stmt = $pdo->prepare("SELECT email FROM user WHERE email = :email");
    $email_stmt->bindParam(':email', $email);
    $email_stmt->execute();
    $result = $email_stmt->fetch(PDO::FETCH_ASSOC);

    if (empty($result)) {

        $stmt = $pdo->prepare('INSERT INTO user(fname,lname,gender,email,password)
        VALUES (:fname, :lname, :gender, :email, :password)');
        $stmt->bindValue(':fname',$fname);
        $stmt->bindValue(':lname',$lname);
        $stmt->bindValue(':gender',$gender);
        $stmt->bindValue(':email',$email);
        $stmt->bindValue(':password',$passwordHash);


        if ($stmt->execute()) {

            echo 'Registration Successful';
            }

            else {
                echo 'FAILED';
        } 
    }   


    else {
       echo 'Email Already Exists. Use Different Email OR Login ';

    } 
}