Fatal error: Uncaught Error: Undefined constant "WebSharks\Challenge\print_r" in /in/coD84:4
Stack trace:
#0 {main}
thrown in /in/coD84 on line 4
Process exited with code 255.
Warning: Use of undefined constant print_r - assumed 'print_r' (this will throw an Error in a future version of PHP) in /in/coD84 on line 4
Warning: Illegal offset type in /in/coD84 on line 4