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forms.php
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Forms in PHP</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous">
</head>
<body>
<h2 class="text-center text-primary fs-3">Forms </h2>
<form class="container mt-4" action="<?php echo $_SERVER["PHP_SELF"]; ?>" method="post">
<div class="mb-3">
<label for="exampleInputEmail1" class="form-label">FullName</label>
<input type="text" class="form-control" name="name" id="exampleInputEmail1" aria-describedby="emailHelp">
</div>
<div class="mb-3">
<label for="exampleInputPassword1" class="form-label">Email</label>
<input type="email" name="email" class="form-control" id="exampleInputPassword1">
</div>
<button type="submit" class="rounded hover:text-tertiary btn btn-primary">Submit</button>
</form>
</body>
</html>
<?php
$nameErr = "";
$emailErr = "";
//check if the form is submitted or not
if ($_SERVER["REQUEST_METHOD"] == "POST") {
//check if name is empty or not
if (empty($_POST["name"])) {
echo $nameErr = "Name is required";
} else {
echo "FullName is:" . " " . htmlspecialchars($_POST["name"]) . "<br>";
}
//check if the email is empty or not
if (empty($_POST["email"])) {
echo $emailErr = "Email is required";
} else {
echo "Email address is:" . " " . htmlspecialchars($_POST["email"]);
}
}
?>