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<?php var_dump(mb_substitute_character(0));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
bool(true)
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: mb_substitute_character(): Unknown character in /in/FqOFj on line 3 bool(false)
preferences:
151.33 ms | 407 KiB | 5 Q