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run code in 300+ PHP versions simultaneously
<?php $a=array('0.txt','1.txt','2.txt','3.txt'); $n=(int)current(explode('.',end($a))); echo $n+=1; $a[]=$n.txt; $n=(int)current(explode('.',end($a))); echo $n+=1; $a[]=$n.txt; $n=(int)current(explode('.',end($a))); echo $n+=1; $a[]=$n.txt; ?>
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
4 Fatal error: Uncaught Error: Undefined constant "txt" in /in/VkX95:7 Stack trace: #0 {main} thrown in /in/VkX95 on line 7
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
4 Warning: Use of undefined constant txt - assumed 'txt' (this will throw an Error in a future version of PHP) in /in/VkX95 on line 7 5 Warning: Use of undefined constant txt - assumed 'txt' (this will throw an Error in a future version of PHP) in /in/VkX95 on line 10 6 Warning: Use of undefined constant txt - assumed 'txt' (this will throw an Error in a future version of PHP) in /in/VkX95 on line 13
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.4, 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
4 Notice: Use of undefined constant txt - assumed 'txt' in /in/VkX95 on line 7 5 Notice: Use of undefined constant txt - assumed 'txt' in /in/VkX95 on line 10 6 Notice: Use of undefined constant txt - assumed 'txt' in /in/VkX95 on line 13
Output for 5.0.5
Fatal error: Only variables can be passed by reference in /in/VkX95 on line 5
Process exited with code 255.
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