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feed.php
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feed.php
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<html>
<head>
<style>
body {
background-color: silver;
text-align:initial;
}
h1
{
background: black;
color: white;
text-align: center;
}
.error {color: #FF0000;}
</style>
</head>
<body>
<?php
// define variables and set to empty values
$nameErr = $emailErr = $ratingErr="";
$name = $email =$rating =$comment = "";
if ($_SERVER["REQUEST_METHOD"] == "POST") {
if (empty($_POST["name"])) {
$nameErr = "Name is required";
}
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";
}
else {
$email = test_input($_POST["email"]);
// check if e-mail address is well-formed
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
$emailErr = "Invalid email format";
}
}
if (empty($_POST["rating"])) {
$ratingErr = "rating is required";
}
else {
$rating = test_input($_POST["rating"]);
// check if rating only contains number
if (!preg_match("/^[1-5 ]*$/",$rating)) {
$ratingErr = "Only numbers allowed";
}
}
if (empty($_POST["comment"])) {
$comment = "";
}
else {
$comment = test_input($_POST["comment"]);
}
}
function test_input($data) {
$data = trim($data);
$data = stripslashes($data);
$data = htmlspecialchars($data);
return $data;
}
?>
<h2>PHP Form Validation Example</h2>
<form method="post" action="<?php echo htmlspecialchars($_SERVER['PHP_SELF']);?>">
Name: <input type="text" name="name" value="<?php echo $name;?>">
<span class="error">* <?php echo $nameErr;?></span>
<br><br>
E-mail: <input type="text" name="email" value="<?php echo $email;?>">
<span class="error">* <?php echo $emailErr;?></span>
<br><br>
Rating: <input type="text" name="rating" value="<?php echo $rating;?>">
<span class="error">* <?php echo $ratingErr;?></span>
<br><br>
Comment: <textarea name="comment" rows="5" cols="40"><?php echo $comment;?></textarea>
<br><br>
<input type="submit" name="submit" value="Submit">
</form>
<?php
echo "<h2>Your Input:</h2>";
echo $name;
echo "<br>";
echo $email;
echo "<br>";
echo $rating;
echo "<br>";
echo $comment;
?>
<?php
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$name=$_POST['name'];
$email=$_POST['email'];
$rating=$_POST['rating'];
$comment=$_POST['comment'];
$cn=new mysqli("localhost","root","","feedback") or die('not connected');
if($cn->query("insert into feedback values('$name','$email','$rating','$comment')"))
echo "<script>alert('Inserted successfully')</script>";
}
?>
</body>
</html>