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eg.php
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eg.php
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<!DOCTYPE HTML>
<html>
<head>
<style>
.error {color: #FF0000;}
</style>
</head>
<body>
<?php
// define variables and set to empty values
$nameErr = $emailErr = $genderErr = $websiteErr = "";
$name = $email = $gender = $comment = $website = "";
if ($_SERVER["REQUEST_METHOD"] == "POST") {
if (empty($_POST["name"])) {
$nameErr = "Name is required";
} else {
$name = test_input($_POST["name"]);
}
if (empty($_POST["email"])) {
$emailErr = "Email is required";
} else {
$email = test_input($_POST["email"]);
}
if (empty($_POST["website"])) {
$website = "";
} else {
$website = test_input($_POST["website"]);
}
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;
}
?>
<h2>PHP Form Validation Example</h2>
<p><span class="error">* required field.</span></p>
<form action="/k17blog/inserts.php" method="post" align="center">
Name: <input type="text" name="fname">
<span class="error">* <?php echo $nameErr;?></span>
<br><br>
E-mail: <input type="text" name="email">
<span class="error">* <?php echo $emailErr;?></span>
<br><br>
Website: <input type="text" name="lname">
<span class="error"><?php echo $websiteErr;?></span>
<br><br>
Comment: <textarea name="vai" rows="5" cols="40"></textarea>
<br><br>
Gender:
<input type="radio" name="vaii" value="female">Female
<input type="radio" name="vaiii" value="male">Male
<span class="error">* <?php echo $genderErr;?></span>
<br><br>
Website: <input type="text" name="vaiiii">
<span class="error"><?php echo $websiteErr;?></span>
<br><br>
<input type="submit" name="submit" value="Submit">
</form>
</body>
</html>