Fatal error: Uncaught TypeError: mb_substr(): Argument #2 ($start) must be of type int, string given in /in/nhR3P:3
Stack trace:
#0 /in/nhR3P(3): mb_substr('aaa.b', '.')
#1 {main}
thrown in /in/nhR3P on line 3
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: mb_substr() expects parameter 2 to be int, string given in /in/nhR3P on line 3