3v4l.org

run code in 300+ PHP versions simultaneously
<?php putenv("LOGIN=TEST"); $login = getenv("LOGIN"); echo "LOGIN = " .$login." "; putenv("LOGIN1=$test"); $login1 = getenv("TEST1"); echo "LOGIN1 = " .$login1;
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
LOGIN = TEST Warning: Undefined variable $test in /in/bn5fS on line 5 LOGIN1 =
Output for 5.0.4 - 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 - 5.5.36, 5.6.0 - 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
LOGIN = TEST Notice: Undefined variable: test in /in/bn5fS on line 5 LOGIN1 =
Output for 7.3.32 - 7.3.33
LOGIN = TEST LOGIN1 =
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
LOGIN = TEST Notice: Undefined variable: test in /in/bn5fS on line 5 LOGIN1 =
preferences:
199.13 ms | 402 KiB | 365 Q