3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 'PHP Tutorial'; ?> <!DOCTYPE html> <html> <head> <title><?php echo $var; ?></title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> <form method= 'POST'> <h2>Please input your name: </h2> <input type='text' name='name'> <input type='submit' value = "Submit Name"> </form> <?php $name = $_POST['name']; echo "<h3> Hello $name </h3>"; ?> </body> </html>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
<!DOCTYPE html> <html> <head> <title>PHP Tutorial</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> <form method= 'POST'> <h2>Please input your name: </h2> <input type='text' name='name'> <input type='submit' value = "Submit Name"> </form> Warning: Undefined array key "name" in /in/EI2q4 on line 16 <h3> Hello </h3> </body> </html>
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
<!DOCTYPE html> <html> <head> <title>PHP Tutorial</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> <form method= 'POST'> <h2>Please input your name: </h2> <input type='text' name='name'> <input type='submit' value = "Submit Name"> </form> Notice: Undefined index: name in /in/EI2q4 on line 16 <h3> Hello </h3> </body> </html>
Output for 7.3.32 - 7.3.33
<!DOCTYPE html> <html> <head> <title>PHP Tutorial</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> <form method= 'POST'> <h2>Please input your name: </h2> <input type='text' name='name'> <input type='submit' value = "Submit Name"> </form> <h3> Hello </h3> </body> </html>
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
<!DOCTYPE html> <html> <head> <title>PHP Tutorial</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> <form method= 'POST'> <h2>Please input your name: </h2> <input type='text' name='name'> <input type='submit' value = "Submit Name"> </form> Notice: Undefined index: name in /in/EI2q4 on line 16 <h3> Hello </h3> </body> </html>

preferences:
223.86 ms | 403 KiB | 325 Q