Created
March 20, 2024 16:55
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php sample form with validation
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>form</title> | |
| </head> | |
| <body> | |
| <form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>" method="POST"> | |
| <h1>Fill the form below</h1> | |
| <p>Complete the blow form to get instant access.</p> | |
| <input type="text" name="Company_name" placeholder="Company name"> | |
| <input type="text" name="full_name" placeholder="Full name"> | |
| <input type="text" name="email" placeholder="Email"> | |
| <input type="text" name="phone" placeholder="Phone"> | |
| <select name="service"> | |
| <option value="none">Choose service...</option> | |
| <option value="delivery">delivery</option> | |
| <option value="pick up">pick up</option> | |
| <option value="digital delivery">digital delivery</option> | |
| </select> | |
| <input type="submit" value="Send request"> | |
| </form> | |
| <?php | |
| if ($_SERVER["REQUEST_METHOD"] === "POST"){ | |
| $passed = true; | |
| if($_POST["Company_name"] === "") { | |
| echo "company name required" . "<br>"; | |
| $passed = false; | |
| } | |
| if($_POST["full_name"] === "") { | |
| echo "full name required" . "<br>"; | |
| $passed = false; | |
| } | |
| if($_POST["email"] === "") { | |
| echo "email required" . "<br>"; | |
| $passed = false; | |
| } | |
| if($_POST["phone"] === "") { | |
| echo "phone required" . "<br>"; | |
| $passed = false; | |
| } | |
| if($_POST["service"] === "none") { | |
| echo "please select a service <br>"; | |
| $passed = false; | |
| } | |
| //validazione numero telefono | |
| if ($_POST["phone"] !== "" && !preg_match("/^\+?[\d\s()-]*[\d]{3}[-\.\s()]*[\d]{3}[-\.\s()]*[\d]{4}$/", $_POST["phone"])) { | |
| echo "write a valid phone number. the following formats are available: <br> | |
| * ###-###-#### <br> | |
| * (###) ###-#### <br> | |
| * ###.###.#### <br> | |
| * ### ### #### <br> | |
| * +-###-###-#### <br> | |
| * +(###) ###-#### <br> | |
| * +###.###.#### <br> | |
| * +### ### #### <br>"; | |
| $passed = false; | |
| } | |
| //validazione mail | |
| if ($_POST["email"] !== "" && !filter_var($_POST["email"], FILTER_VALIDATE_EMAIL)) { | |
| echo "Invalid email format <br>"; | |
| $passed = false; | |
| } | |
| }; | |
| ?> | |
| <script> | |
| if (<?php echo $passed ?>){ | |
| document.body.innerHTML = "form sent successfully!"; | |
| } | |
| </script> | |
| </body> | |
| </html> |
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