Created
September 28, 2015 21:59
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Generic php contact form with UTF-8 encoding of email
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| <!-- You may use this under the terms of https://creativecommons.org/publicdomain/zero/1.0/ --> | |
| <?php | |
| if (isset($_POST["action"])) | |
| { | |
| $ok = true; | |
| $errorMsg = Null; | |
| $from_email = $_POST["email"]; | |
| if (!filter_var($from_email, FILTER_VALIDATE_EMAIL)) { | |
| $ok = false; | |
| $errorMsg = "Invalid email format"; | |
| } | |
| if($ok) { | |
| $domain = array_pop(explode("@",$from_email)); | |
| if (!checkdnsrr($domain, 'MX')) { | |
| $ok = false; | |
| $errorMsg = "Email domain is not valid"; | |
| } | |
| } | |
| if($ok) { | |
| if (strlen($_POST["subject"])==0) { | |
| $ok = false; | |
| $errorMsg = "Subject cannot be empty"; | |
| } | |
| } | |
| if($ok) { | |
| if (strlen($_POST["sender"])==0) { | |
| $ok = false; | |
| $errorMsg = "Sender name cannot be empty"; | |
| } | |
| } | |
| if($ok) { | |
| if (strlen($_POST["message"])==0) { | |
| $ok = false; | |
| $errorMsg = "Message cannot be empty"; | |
| } | |
| } | |
| if($ok) { | |
| $to = "[email protected]"; | |
| $from_user = "=?UTF-8?B?".base64_encode($_POST["sender"])."?="; | |
| $subject = "=?UTF-8?B?".base64_encode($_POST["subject"])."?="; | |
| $message = $_POST["message"]; | |
| $message .= "\r\nSender IP address: ".$_SERVER["REMOTE_ADDR"]."\r\n"; | |
| $messageEncoded = $message; | |
| $headers = 'From: '.$from_user.' <'.$from_email.'>'. "\r\n" . | |
| "MIME-Version: 1.0" . "\r\n" . | |
| "Content-Transfer-Encoding: 8bit\r\n". | |
| "Content-type: text/plain; charset=\"UTF-8\"" . "\r\n"; | |
| $mailResult = mail($to, $subject, $messageEncoded, $headers); | |
| if(!$mailResult) { | |
| $ok = false; | |
| $errorMsg = "Failed to send email!"; | |
| } | |
| } | |
| } | |
| ?> | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Contact Form</title> | |
| </head> | |
| <body> | |
| <div style="width:800px;"> | |
| <h1>Contact Me</h1> | |
| <hr/> | |
| <?php | |
| if (!isset($_POST["action"])) | |
| { | |
| ?> | |
| <form method="POST"> | |
| <p>Your name: <input name="sender" type="text"/><br/> | |
| Your email: <input name="email" type="text"/><br/> | |
| Subject: <input name="subject" type="text"/><br/> | |
| Message:<br/> | |
| <textarea name="message" style="width: 600px; height: 150px;"></textarea><br/> | |
| <input name="action" type="submit" value="Send"/> | |
| </p> | |
| </form> | |
| <?php | |
| } else { | |
| if($ok) { | |
| ?> | |
| <p>Message sent!</p> | |
| <?php | |
| } else { | |
| ?> | |
| <p><?php echo $errorMsg;?></p> | |
| <?php | |
| } | |
| } | |
| ?> | |
| </div> | |
| </body> | |
| </html> |
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