3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = ’PHP’; $bar = &$foo; $bar = "To jest $bar"; echo $bar; echo $foo; ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught Error: Undefined constant "’PHP’" in /in/b6ciM:3 Stack trace: #0 {main} thrown in /in/b6ciM 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 ’PHP’ - assumed '’PHP’' (this will throw an Error in a future version of PHP) in /in/b6ciM on line 3 To jest ’PHP’To jest ’PHP’
Output for 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 ’PHP’ - assumed '’PHP’' in /in/b6ciM on line 3 To jest ’PHP’To jest ’PHP’

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173.3 ms | 402 KiB | 214 Q