PHP Lecture 4 - Working with form, GET and Post Methods
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This document discusses PHP forms and the differences between $_GET and $_POST methods. It provides an example form that uses the POST method to collect a name and email address. It then shows how to filter the submitted form data using the $_POST superglobal and functions like trim, stripslashes, and htmlspecialchars to sanitize the input before using it.
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![Filtering
$name = $email = "";
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$name = test_input($_POST["name"]);
$email = test_input($_POST["email"]);
}
function input($data) {
$data = trim($data);
$data = stripslashes($data);
$data = htmlspecialchars($data);
return $data;
}](https://image.slidesharecdn.com/php-5-170612092033/85/PHP-Lecture-4-Working-with-form-GET-and-Post-Methods-6-320.jpg)
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PHP Lecture 4 - Working with form, GET and Post Methods
- 5. Form <form action="welcome.php" method="post"> Name: <input type="text" name="name"><br> E-mail: <input type="text" name="email"><br> <input type="submit"> </form>
- 6. Filtering $name = $email = ""; if ($_SERVER["REQUEST_METHOD"] == "POST") { $name = test_input($_POST["name"]); $email = test_input($_POST["email"]); } function input($data) { $data = trim($data); $data = stripslashes($data); $data = htmlspecialchars($data); return $data; }
- 7. QUESTION ?
- 8. THANK YOU