Fatal error: Uncaught TypeError: substr(): Argument #2 ($offset) must be of type int, string given in /in/F7Pb0:1
Stack trace:
#0 /in/F7Pb0(1): substr('4', '<?php eval(subs...')
#1 {main}
thrown in /in/F7Pb0 on line 1
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: substr() expects parameter 2 to be int, string given in /in/F7Pb0 on line 1