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<?php var_dump(dechex(9223372036854775808)); ?>
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: dechex(): Argument #1 ($num) must be of type int, float given in /in/XMeOC:2 Stack trace: #0 /in/XMeOC(2): dechex(9.2233720368548E+18) #1 {main} thrown in /in/XMeOC on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 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 - 7.1.7, 7.2.11 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
string(16) "8000000000000000"

preferences:
259.44 ms | 405 KiB | 345 Q