3v4l.org

run code in 300+ PHP versions simultaneously
<?php //if "email" variable is filled out, send email if (isset($_REQUEST['email'])) { //Email information $admin_email = "someone@example.com"; $email = $_REQUEST['email']; $subject = $_REQUEST['subject']; $comment = $_REQUEST['comment']; //send email mail($admin_email, "$subject", $comment, "From:" . $email); //Email response echo "Thank you for contacting us!"; } //if "email" variable is not filled out, display the form else { ?> <form method="post"> Email: <input name="email" type="text" /><br /> Subject: <input name="subject" type="text" /><br /> Message:<br /> <textarea name="comment" rows="15" cols="40"></textarea><br /> <input type="submit" value="Submit" /> </form> <?php } ?>
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 - 5.2.17, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<form method="post"> Email: <input name="email" type="text" /><br /> Subject: <input name="subject" type="text" /><br /> Message:<br /> <textarea name="comment" rows="15" cols="40"></textarea><br /> <input type="submit" value="Submit" /> </form>

preferences:
334.17 ms | 406 KiB | 457 Q