3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo (__FUCNTION__);
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
Fatal error: Uncaught Error: Undefined constant "__FUCNTION__" in /in/5tfWV:3 Stack trace: #0 {main} thrown in /in/5tfWV on line 3
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
Warning: Use of undefined constant __FUCNTION__ - assumed '__FUCNTION__' (this will throw an Error in a future version of PHP) in /in/5tfWV on line 3 __FUCNTION__
Output for 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 - 7.1.33
Notice: Use of undefined constant __FUCNTION__ - assumed '__FUCNTION__' in /in/5tfWV on line 3 __FUCNTION__

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