Using PHP and MySQL Create a simple web form with at least 5 fields Include validation...

Using PHP and MySQL

Create a simple web form with at least 5 fields
Include validation and error messages
Create a MySQL Database
Create a table to store submissions from the form
Only insert new data into the database when all validation is passed
Use PHP to create an HTML table showing all the content of the database

New submissions should appear in table

Expert Solution

Create DataBase:

Create DATABASE myDB

// Create table

CREATE TABLE users(name varchar(30) not null , email varchar(50) not null,
 phone int(10) not null, birthday varchar(25) , gender varchar(1) not null);

Form.php:


<!DOCTYPE HTML>  
<html>
<head>
</head>
<body>  

<?php
// define variables and set to empty values
$name = $email = $gender = $birthday = $phone = "";
$updateDB=false;
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $updateDB=true;
    if (empty($_POST["name"])) {
        $nameErr = "Name is required";
        $updateDB=false;
      } else {
        $name = test_input($_POST["name"]);
        // check if name only contains letters and whitespace
        if (!preg_match("/^[a-zA-Z-' ]*$/",$name)) {
          $nameErr = "Only letters and white space allowed";
        }
      }
      if (empty($_POST["email"])) {
        $emailErr = "Email is required";
        $updateDB=false;
      } else {
        $email = test_input($_POST["email"]);
        // check if e-mail address is well-formed
        if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
          $emailErr = "Invalid email format";
        }
      }
  $phone = test_input($_POST["phone"]);
  $birthday = test_input($_POST["birthday"]);
  $gender = test_input($_POST["gender"]);
  
}

function test_input($data) {
  $data = trim($data);
  $data = stripslashes($data);
  $data = htmlspecialchars($data);
  return $data;
}


?>
<style>
table, th, td {
  border: 1px solid black;
  border-collapse: collapse;
}
table.center {
  margin-left:auto; 
  margin-right:auto;
}
</style>

<h2>PHP Form Validation </h2>
<form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">  
  Name: <input type="text" name="name">
  <br><br>
  E-mail: <input type="email" name="email">
  <br><br>
  phone: <input type="tel" name="phone">
  <br><br>
  birthday: <input name="birthday" type='date'></textarea>
  <br><br>
  Gender:
  <input type="radio" name="gender" value="F">Female
  <input type="radio" name="gender" value="M">Male
  <input type="radio" name="gender" value="O">Other
  <br><br>
  <input type="submit" name="submit" value="Submit">  
</form>
<p><h3>List of users</h3></p>
<table style="width:100%; margin-left: auto;
            margin-right: auto; ">
                <tr>
                    <th>Name</th>
                    <th>Email</th> 
                    <th>Phone</th>
                    <th>Birthday</th>
                    <th>Gender</th>
                </tr>
<?php
//Database Connection
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "myDB";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
  die("Connection failed: " . $conn->connect_error);
}
if($updateDB){

            $sql = "INSERT INTO users (name, email, phone, birthday, gender)
            VALUES ('$name', '$email',  $phone,'$birthday', '$gender' )";

            if ($conn->query($sql) === TRUE) {
            echo "New record created successfully";
            } 
            else 
            {
                echo "Error: " . $sql . "<br>" . $conn->error;
            }
        }
        $sql = "SELECT * FROM users";
        $result = mysqli_query($conn, $sql);
        
        if (mysqli_num_rows($result) > 0) {
          // output data of each row
          while($row = mysqli_fetch_assoc($result)) {
            //echo "name: " . $row["name"]. " - email: " . $row["email"]. " " . $row["phone"]. "<br>";

            echo('
            
                <tr>
                    <td>'. $row["name"].'</td>
                    <td>'. $row["email"].'</td>
                    <td>'. $row["phone"].'</td>
                    <td>'. $row["birthday"].'</td>
                    <td>'. $row["gender"].'</td>
                </tr>

            
            ');


          }
        } else {
          echo "0 results";
        }

$conn->close();
?>
</table>
</body>
</html>

venereology answered 1 year ago

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