3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); /*session is started if you don't write this line can't use $_Session global variable*/ $_SESSION["newsession"]=$value; /*session created*/ echo $_SESSION["newsession"]; /*session was getting*/ ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Warning: Undefined variable $value in /in/PgKdE on line 4
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.24, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: value in /in/PgKdE on line 4
Output for 7.3.32 - 7.3.33
preferences:
191.41 ms | 401 KiB | 250 Q