3v4l.org

run code in 300+ PHP versions simultaneously
<?php putenv("TEST='PHP_SELF'"); $test = getenv("TEST"); echo $test; $test = getenv(REMOTE_ADDR); echo $test;
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
'PHP_SELF' Fatal error: Uncaught Error: Undefined constant "REMOTE_ADDR" in /in/lHREW:5 Stack trace: #0 {main} thrown in /in/lHREW on line 5
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
'PHP_SELF' Warning: Use of undefined constant REMOTE_ADDR - assumed 'REMOTE_ADDR' (this will throw an Error in a future version of PHP) in /in/lHREW on line 5
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, 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
'PHP_SELF' Notice: Use of undefined constant REMOTE_ADDR - assumed 'REMOTE_ADDR' in /in/lHREW on line 5

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