Fatal error: Uncaught TypeError: usort(): Argument #1 ($array) must be of type array, null given in /in/VTDGb:7
Stack trace:
#0 /in/VTDGb(7): usort(NULL, Object(Closure))
#1 [internal function]: {closure}(3, 1)
#2 /in/VTDGb(6): usort(Array, Object(Closure))
#3 {main}
thrown in /in/VTDGb on line 7
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught TypeError: usort(): Argument #1 ($array) must be of type array, null given in /in/VTDGb:9
Stack trace:
#0 /in/VTDGb(9): usort(NULL, Object(Closure))
#1 [internal function]: {closure}(3, 1)
#2 /in/VTDGb(12): usort(Array, Object(Closure))
#3 {main}
thrown in /in/VTDGb on line 9
Process exited with code 255.
Warning: usort() expects parameter 1 to be array, null given in /in/VTDGb on line 9
Warning: usort() expects parameter 1 to be array, null given in /in/VTDGb on line 9
Warning: usort() expects parameter 1 to be array, null given in /in/VTDGb on line 9
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Warning: usort() expects parameter 1 to be array, null given in /in/VTDGb on line 9
Warning: usort() expects parameter 1 to be array, null given in /in/VTDGb on line 9