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run code in 300+ PHP versions simultaneously
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Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5

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
Warning: Illegal offset type in /in/AlgFo on line 6 array(1) { [1]=> string(3) "foo" }
preferences:
177.35 ms | 412 KiB | 5 Q