Fatal error: Uncaught TypeError: str_replace(): Argument #2 ($replace) must be of type string when argument #1 ($search) is a string in /in/iUlQu:4
Stack trace:
#0 /in/iUlQu(4): str_replace('x', Array, Array)
#1 {main}
thrown in /in/iUlQu on line 4
Process exited with code 255.