Created
January 13, 2026 23:02
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Sanitizing inputs in php
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <title>User Input</title> | |
| </head> | |
| <body> | |
| <?php | |
| // Define the function first | |
| function sanitize_input($data) { | |
| $data = trim($data); | |
| $data = stripslashes($data); | |
| $data = htmlspecialchars($data); | |
| return $data; | |
| } | |
| $name = $email = $website = $comment = ""; | |
| if($_SERVER['REQUEST_METHOD'] == "POST") { | |
| $name = sanitize_input($_POST["name"]); | |
| $email = sanitize_input($_POST["email"]); | |
| $website = sanitize_input($_POST["website"]); | |
| $comment = sanitize_input($_POST["comment"]); | |
| echo "<h3>Sanitized Data:</h3>"; | |
| echo "Name: $name <br>"; | |
| echo "Email: $email <br>"; | |
| echo "Website: $website <br>"; | |
| echo "Comment: $comment <br>"; | |
| } | |
| ?> | |
| <form method="POST" action=""> | |
| Name: <input type="text" name="name"><br> | |
| Email: <input type="text" name="email"><br> | |
| Website: <input type="text" name="website"><br> | |
| Comment: <textarea name="comment"></textarea><br> | |
| <input type="submit" value="Submit"> | |
| </form> | |
| </body> | |
| </html> |
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