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17 Form Validation.php
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17 Form Validation.php
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<!-- PHP Form Validation -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Form Validation Required</title>
<style>
header {
background-color: teal;
padding: 10px;
}
section {
background-color: silver;
padding: 10px;
margin: 8px auto;
text-align: center;
}
form {
display: inline-block;
}
.form-group {
text-align: left;
}
input {
margin: 5px;
padding: 10px;
border-radius: 5px;
}
.error {
color: red;
}
</style>
</head>
<body>
<!-- PHP Form Validation Required -->
<?php
// Define variables and set to empty values
$fullNameError = $emailIDError = $cityError = "";
$fullName = $emailID = $website = $city = "";
if ($_SERVER["REQUEST_METHOD"] == "POST") {
if (empty($_POST["fullName"])) {
$fullNameError = "Name is Required";
} else {
$fullName = $_POST["fullName"];
}
if (empty($_POST["emailID"])) {
$emailIDError = "Email ID is Required";
} else {
$emailID = $_POST["emailID"];
}
if (empty($_POST["website"])) {
$website = "";
} else {
$website = $_POST["website"];
}
if (empty($_POST["city"])) {
$cityError = "City is Required";
} else {
$city = $_POST["city"];
}
}
?>
<header>Form Validation</header>
<section>
<!-- HTML Form -->
<form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
<span class="error">* Required Field</span>
<div class="form-group">
<input type="text" name="fullName" placeholder="Full Name">
<span class="error">* <?php echo $fullNameError; ?></span>
</div>
<div class="form-group">
<input type="email" name="emailID" placeholder="Email ID">
<span class="error">* <?php echo $emailIDError; ?></span>
</div>
<div class="form-group">
<input type="url" name="website" placeholder="Website">
</div>
<div class="form-group">
<input type="text" name="city" placeholder="City">
<span class="error">* <?php echo $cityError; ?></span>
</div>
<input type="submit" value="Print">
</form>
<hr>
<!-- PHP Print -->
<?php
echo "Name : " . $fullName . "<br>";
echo "Email Id : " . $emailID . "<br>";
echo "Website : " . $website . "<br>";
echo "City : " . $city . "<br>";
?>
</section>
</body>
</html>