Fatal error: Uncaught ValueError: fputcsv(): Argument #3 ($separator) must be a single character in /in/ons2t:4
Stack trace:
#0 /in/ons2t(4): fputcsv(Resource id #4, Array, '\xF0\x9F\x92\xA9')
#1 {main}
thrown in /in/ons2t on line 4
Process exited with code 255.