foo
Fatal error: Uncaught Error: Attempt to assign property "a" on null in /in/QIvUc:10
Stack trace:
#0 {main}
thrown in /in/QIvUc on line 10
Process exited with code 255.
foo
Warning: Creating default object from empty value in /in/QIvUc on line 10
Fatal error: Uncaught Error: Call to undefined method stdClass::print() in /in/QIvUc:12
Stack trace:
#0 {main}
thrown in /in/QIvUc on line 12
Process exited with code 255.