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run code in 300+ PHP versions simultaneously
<?php $tmp = "abcd"; var_dump($tmp['a']);
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
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/0tBBE:3 Stack trace: #0 {main} thrown in /in/0tBBE on line 3
Process exited with code 255.
Output for 5.6.0 - 5.6.25, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Illegal string offset 'a' in /in/0tBBE on line 3 string(1) "a"

preferences:
197.01 ms | 402 KiB | 231 Q