Fatal error: Uncaught Error: Using $this when not in object context in /in/GBNnT:23
Stack trace:
#0 {main}
thrown in /in/GBNnT on line 23
Process exited with code 255.
Notice: Undefined variable: this in /in/GBNnT on line 23
Warning: usort() expects parameter 2 to be a valid callback, first array member is not a valid class name or object in /in/GBNnT on line 23
array(4) {
[0]=>
string(6) "apples"
[1]=>
string(7) "bananas"
[2]=>
string(7) "bananas"
[3]=>
string(7) "argyles"
}