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run code in 300+ PHP versions simultaneously
<?php // display form if user has not clicked submit if (!isset($_POST["submit"])) { ?> <form method="post" action="<?php echo $_SERVER["PHP_SELF"];?>"> From: <input type="text" name="from"><br> Subject: <input type="text" name="subject"><br> Message: <textarea rows="10" cols="40" name="message"></textarea><br> <input type="submit" name="submit" value="Submit Feedback"> </form> <?php } else // the user has submitted the form { // Check if the "from" input field is filled out if (isset($_POST["from"])) { $from = $_POST["from"]; // sender $subject = $_POST["subject"]; $message = $_POST["message"]; // message lines should not exceed 70 characters (PHP rule), so wrap it $message = wordwrap($message, 70); // send mail mail("webmaster@example.com",$subject,$message,"From: $from\n"); echo "Thank you for sending us feedback"; } }
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
<form method="post" action="/in/i1EpI"> From: <input type="text" name="from"><br> Subject: <input type="text" name="subject"><br> Message: <textarea rows="10" cols="40" name="message"></textarea><br> <input type="submit" name="submit" value="Submit Feedback"> </form>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<form method="post" action=""> From: <input type="text" name="from"><br> Subject: <input type="text" name="subject"><br> Message: <textarea rows="10" cols="40" name="message"></textarea><br> <input type="submit" name="submit" value="Submit Feedback"> </form>

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309.99 ms | 402 KiB | 456 Q