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Expand|Select|Wrap|Line Numbers
- <html> <head> <style>
- .error {color: #FF0000;}
- </style> </head> <body> <?php
- $nameErr = $emailErr = $genderErr = $websiteErr = $nokpErr = "";
- $name = $email = $gender = $nokp = $website = "";
- if ($_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["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["nokp"])) {
- $nokpErr = "";
- } else {
- $nokp = test_input($_POST["nokp"]);
- if (!preg_match("/^[1-9][0-9]{0-17}$/",$nokp)) {
- $nokpErr = "Only number is allowed";
- }}
- if (empty($_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 $data;
- }
- ?> <h2>PHP Form</h2> <p><span class="error">* required field.</span></p> <form method="post" action="https://bytes.com/<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>"> <p>Name:
- <input type="text" name="name" value="<?php echo $name;?>"> <span class="error">* <?php echo $nameErr;?></span> </p> <p>No KP:
- <input name="nokp" type="text" id="nokp" value="<?php echo $nokp;?>" size="12"> <span class="error">* <?php echo $nokpErr;?></span></p> <p>
- E-mail: <input type="text" name="email" value="<?php echo $email;?>"> <span class="error">* <?php echo $emailErr;?></span> <br><br>
- Website: <input type="text" name="website" value="<?php echo $website;?>"> <span class="error"><?php echo $websiteErr;?></span><br><br>
- Gender:
- <input type="radio" name="gender" <?php if (isset($gender) && $gender=="female") echo "checked";?> value="male">Male
- <input type="radio" name="gender" <?php if (isset($gender) && $gender=="male") echo "checked";?> value="female">Female
- <span class="error">* <?php echo $genderErr;?></span> <br><br> <button type="submit" value="Submit">Submit</button> <button type="reset" value="Reset">Reset</button> </p> </form> <?php
- echo "<h2>Your Input:</h2>";
- echo $name;
- echo "<br>";
- echo $nokp;
- echo "<br>";
- echo $email;
- echo "<br>";
- echo $website;
- echo "<br>";
- echo $gender;
- ?> </body> </html>
