Fatal error: Uncaught TypeError: substr(): Argument #3 ($length) must be of type ?int, string given in /in/SmWPB:2
Stack trace:
#0 /in/SmWPB(2): substr('0', 6, 'test substr dsf...')
#1 {main}
thrown in /in/SmWPB on line 2
Process exited with code 255.
Output for 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: substr() expects parameter 3 to be int, string given in /in/SmWPB on line 2