Deprecated: Creation of dynamic property CategoryTree::$tree is deprecated in /in/kQpk6 on line 14
Warning: Undefined variable $findNode in /in/kQpk6 on line 17
Fatal error: Uncaught Error: Value of type null is not callable in /in/kQpk6:17
Stack trace:
#0 /in/kQpk6(56): CategoryTree->addCategory('A', NULL)
#1 {main}
thrown in /in/kQpk6 on line 17
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Warning: Undefined variable $findNode in /in/kQpk6 on line 17
Fatal error: Uncaught Error: Value of type null is not callable in /in/kQpk6:17
Stack trace:
#0 /in/kQpk6(56): CategoryTree->addCategory('A', NULL)
#1 {main}
thrown in /in/kQpk6 on line 17
Process exited with code 255.
Notice: Undefined variable: findNode in /in/kQpk6 on line 17
Fatal error: Uncaught Error: Function name must be a string in /in/kQpk6:17
Stack trace:
#0 /in/kQpk6(56): CategoryTree->addCategory('A', NULL)
#1 {main}
thrown in /in/kQpk6 on line 17
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Function name must be a string in /in/kQpk6:17
Stack trace:
#0 /in/kQpk6(56): CategoryTree->addCategory('A', NULL)
#1 {main}
thrown in /in/kQpk6 on line 17
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Notice: Undefined variable: findNode in /in/kQpk6 on line 17
Fatal error: Function name must be a string in /in/kQpk6 on line 17
Process exited with code 255.