3v4l.org

run code in 300+ PHP versions simultaneously
<html> <head> <title><?php $var ?> </title> <title </head> <body> <h3>$var</h3> <?php $var =title; ?> </body> </html>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<html> <head> <title> </title> <title </head> <body> <h3>$var</h3> Fatal error: Uncaught Error: Undefined constant "title" in /in/k6ZPG:10 Stack trace: #0 {main} thrown in /in/k6ZPG on line 10
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
<html> <head> <title> </title> <title </head> <body> <h3>$var</h3> Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /in/k6ZPG on line 10 </body> </html>
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
<html> <head> <title> </title> <title </head> <body> <h3>$var</h3> Notice: Use of undefined constant title - assumed 'title' in /in/k6ZPG on line 10 </body> </html>
Output for 5.0.4 - 5.0.5
<html> <head> <title> Notice: Undefined variable: var in /in/k6ZPG on line 3 </title> <title </head> <body> <h3>$var</h3> Notice: Use of undefined constant title - assumed 'title' in /in/k6ZPG on line 10 </body> </html>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
<html> <head> <title> Notice: Undefined variable: var in /in/k6ZPG on line 3 </title> <title </head> <body> <h3>$var</h3> Notice: Use of undefined constant title - assumed 'title' in /in/k6ZPG on line 10 </body> </html>

preferences:
292.84 ms | 402 KiB | 459 Q