3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if (isset($_GET['item'])) { $cart_item = $_GET['item']; } ?> <!doctype html> <html lang="en"> <head> <meta charset="utf-8"> </head> <body> <form method="post" action=""/> <input type="hidden" name="item"> <input type="submit" value="Yes, Add to Cart"> </form> <?php echo $cart_item; ?> </body> </html>
Output for 5.0.4 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> </head> <body> <form method="post" action=""/> <input type="hidden" name="item"> <input type="submit" value="Yes, Add to Cart"> </form> Notice: Undefined variable: cart_item in /in/Pilbn on line 18 </body> </html>
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.0.3
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> </head> <body> <form method="post" action=""/> <input type="hidden" name="item"> <input type="submit" value="Yes, Add to Cart"> </form> Notice: Undefined variable: cart_item in /in/Pilbn on line 18 </body> </html>