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run code in 300+ PHP versions simultaneously
<?php var_dump('http://ymlolmx5/' .(1<<1));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
string(17) "http://ymlolmx5/2"
preferences:
188.49 ms | 404 KiB | 255 Q