Fatal error: Uncaught TypeError: substr(): Argument #2 ($offset) must be of type int, string given in /in/fGNcq:6
Stack trace:
#0 /in/fGNcq(6): substr('12345,', '', -1)
#1 {main}
thrown in /in/fGNcq on line 6
Process exited with code 255.
Output for 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: substr() expects parameter 2 to be int, string given in /in/fGNcq on line 6