What is a Registration Form?

In PHP, a registration form is a list of fields in which a user inputs data and submits it. It is useful in every situation where registration is necessary.

PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source general-purpose scripting language especially suited for web development that can be embedded into HTML.

For example, various companies use registration forms to sign up customers for services or other programs.

What is PHP Used For?

PHP is a server side scripting language that is embedded in HTML. It is used to manage dynamic content, databases, session tracking, and even build entire e-commerce sites. It integrates with a number of popular databases including MySQL, PostgreSQL, Oracle, Sybase, Informix, and Microsoft SQL Server. php registration form with source code

In schools and colleges, a registration form is used to register students for a course where they can fill in their contact information, academic history, and more.

PHP Registration with Form Source Code

Example 1


php

<!Doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <title>PHP Registration Form Example</title>
  <style>
.error {
    color: white;
    font-family: lato;
    background: yellowgreen;
    display: inline-block;
    padding: 2px 10px;
}
* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body {
    margin: 50px auto;
    text-align: center;
    width: 800px;
}
h1 {
    font-family: sans-serif;
    display: block;
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
    letter-spacing: 3px;
    color: hotpink;
    text-transform: uppercase;
}
label {
    width: 150px;
    display: inline-block;
    text-align: left;
    font-size: 1.5rem;
    font-family: 'Lato';
}
input {
    border: 2px solid #ccc;
    font-size: 1.5rem;
    font-weight: 100;
    font-family: 'Lato';
    padding: 10px;
}
form {
    margin: 25px auto;
    padding: 20px;
    border: 5px solid #ccc;
    width: 500px;
    background: #f3e7e9;
}
div.form-element {
    margin: 20px 0;
}
input[type=submit]::after {
    background: #fff;
    content: '';
    position: absolute;
    z-index: -1;
}
input[type=submit] {
    border: 3px solid;
    border-radius: 2px;
    display: block;
    font-size: 1em;
    font-weight: bold;
    margin: 1em auto;
    padding: 1em 4em;
    position: relative;
    text-transform: uppercase;
}
input[type=submit]::before {
    background: #fff;
    content: '';
    position: absolute;
    z-index: -1;
}
input[type=submit]:hover {
    color: #1A33FF;
}
  </style>
</head>
<body>
<?php
$nameErr = "";
$emailErr = "";
$genderErr = "";
$websiteErr = "";
$name = "";
$email = "";
$gender = "";
$comment = "";
$website = "";
if ($_SERVER["REQUEST_METHOD"] == "POST") {
  if (empty($_POST["name"])) {
    $nameErr = "Name Field is required";
  } else {
    $name = test_input($_POST["name"]);
    if (!preg_match("/^[a-zA-Z-' ]*$/",$name)) {
      $nameErr = "Only letters and white space allowed";
    }
  }
  if (empty($_POST["email"])) {
    $emailErr = "Email field is required";
  } else {
    $email = test_input($_POST["email"]);
    if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
      $emailErr = "Invalid email format";
    }
  }
  if (empty($_POST["website"])) {
    $website = "";
  } else {
    $website = test_input($_POST["website"]);
    if (!preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i",$website)) {
      $websiteErr = "Invalid URL";
    }
  }
  if (empty($_POST["comment"])) {
    $comment = "";
  } else {
    $comment = test_input($_POST["comment"]);
  }
  if (empty($_POST["gender"])) {
    $genderErr = "Gender is required";
  } else {
    $gender = test_input($_POST["gender"]);
  }
}
function test_input($data) {
  $data = trim($data);
  $data = stripslashes($data);
  $data = htmlspecialchars($data);
  return $data;
}
?>
<h1>PHP Registration Form Example</h1>
<form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">
  <b>Enter Name:</b> <input type="text" name="name" value="<?php echo $name;?>">
  <span class="error">* <?php echo $nameErr;?></span>
  <br><br>
  <b>Enter E-mail:</b> <input type="text" name="email" value="<?php echo $email;?>">
  <span class="error">* <?php echo $emailErr;?></span>
  <br><br>
  <b>Enter Number:</b> <input type="text" name="website" value="<?php echo $website;?>">
  <span class="error">* <?php echo $websiteErr;?></span>
  <br><br>
  <b>Message:</b> <textarea name="comment" rows="5" cols="40"><?php echo $comment;?></textarea>
  <br><br>
  <b>Select Gender:</b>
  <input type="radio" name="gender" <?php if (isset($gender) && $gender=="female") echo "checked";?> value="female"> Female
  <input type="radio" name="gender" <?php if (isset($gender) && $gender=="male") echo "checked";?> value="male"> Male
  <input type="radio" name="gender" <?php if (isset($gender) && $gender=="other") echo "checked";?> value="other"> Other
  <span class="error">* <?php echo $genderErr;?></span>
  <br><br>
  <input type="submit" name="submit" value="Register">
</form>
<?php
echo "<h2>Your Input:</h2>";
echo $name;
echo "<br>";
echo $email;
echo "<br>";
echo $website;
echo "<br>";
echo $comment;
echo "<br>";
echo $gender;
?>
</body>
</html>

Explanation: In the above example, we have created a company registration form in which users fill in their required information.

Example 2


php

<!Doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <title>PHP Registration Form</title>
  <style>
input[type=radio] { width: 20px; }
input[type=checkbox] { width: 20px; }
* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body {
    margin: 50px auto;
    text-align: center;
    width: 800px;
}
input[type=reset] {
    border: 3px solid;
    border-radius: 2px;
    display: block;
    font-size: 1em;
    font-weight: bold;
    margin: 1em auto;
    padding: 1em 4em;
    position: relative;
    text-transform: uppercase;
}
input {
    border: 2px solid #ccc;
    font-size: 1rem;
    font-weight: 100;
    font-family: 'Lato';
    padding: 10px;
}
form {
    margin: 20px auto;
    padding: 20px;
    border: 5px solid #ccc;
    background: #8bb2eafa;
}
h1 {
    font-family: sans-serif;
    display: block;
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
    letter-spacing: 3px;
    color: hotpink;
    text-transform: uppercase;
}
input[type=submit] {
    border: 3px solid;
    border-radius: 2px;
    display: block;
    font-size: 1em;
    font-weight: bold;
    margin: 1em auto;
    padding: 1em 4em;
    position: relative;
    text-transform: uppercase;
}
input[type=submit]:hover {
    color: #1A33FF;
}
  </style>
</head>
<body>
<h1>PHP Registration Form Example</h1>
<form method="post" enctype="multipart/form-data" action="#">
<table>
  <tr>
    <td colspan="2"><?php echo @$msg; ?></td>
  </tr>
  <tr>
    <td width="159"><b>Enter your Name</b></td>
    <td width="218">
    <input type="text" placeholder="Enter name" name="n" pattern="[a-z A-Z]*" required /></td>
  </tr>
  <tr>
    <td><b>Enter your Email</b></td>
    <td><input type="email" name="e" placeholder="Enter Email"></td>
  </tr>
  <tr>
    <td><b>Enter your Password</b></td>
    <td><input type="password" name="p" placeholder="Enter Password"></td>
  </tr>
  <tr>
    <td><b>Enter your Address</b></td>
    <td><textarea name="add">Enter Address</textarea></td>
  </tr>
  <tr>
    <td><b>Enter your Mobile Number</b></td>
    <td><input type="text" pattern="[0-9]*" name="m" placeholder="Enter number"></td>
  </tr>
  <tr>
    <td height="23"><b>Select your Gender</b></td>
    <td>
    Male <input type="radio" name="g" value="m"/>
    Female <input type="radio" name="g" value="f"/>
    </td>
  </tr>
  <tr>
    <td><b>Choose your Hobbies</b></td>
    <td>
        Cricket <input type="checkbox" value="cricket" name="hobb[]"/>
        Singing <input type="checkbox" value="singing" name="hobb[]"/>
        Dancing <input type="checkbox" value="dancing" name="hobb[]"/>
    </td>
  </tr>
  <tr>
    <td><b>Select your Profile Pic</b></td>
    <td><input type="file" name="pic"/></td>
  </tr>
  <tr>
    <td><b>Select your Date of Birth</b></td>
    <td>
        <select name="mm">
            <option value="">Month</option>
            <?php for($i=1;$i<=12;$i++) { echo "<option value='$i'>".$i."</option>"; } ?>
        </select>
        <select name="dd">
            <option value="">Date</option>
            <?php for($i=1;$i<=31;$i++) { echo "<option value='$i'>".$i."</option>"; } ?>
        </select>
        <select name="yy">
            <option value="">Year</option>
            <?php for($i=1900;$i<=2015;$i++) { echo "<option value='$i'>".$i."</option>"; } ?>
        </select>
    </td>
  </tr>
  <tr>
    <td colspan="2" align="center">
    <input type="submit" name="save" value="Register"/>
    <input type="reset" value="Reset"/>
    </td>
  </tr>
</table>
</form>
</body>
</html>
<?php
extract($_POST);
if(isset($save))
{
  $dob=$yy."-".$mm."--".$dd;
  $h=implode(",",$hobb);
  $img=$_FILES['pic']['name'];
  if($return)
  {
    $msg="<font color='red'>".ucfirst($e)." already exists, choose another email</font>";
  }
  else
  {
    $msg="<font color='blue'>Your data saved</font>";
  }
}
?>

Explanation: In this example, we have created a basic registration form with the help of PHP including fields for name, email, password, address, mobile number, gender, hobbies, profile picture, and date of birth.

Conclusion

A PHP registration form is an essential component of almost every web application. Whether you are building a school enrollment system, a company signup page, or an e-commerce platform, PHP makes it easy to collect, validate, and store user data securely.

READ MORE