Fatal error: Uncaught Error: Attempt to modify property "b" on null in /in/pMa74:6
Stack trace:
#0 {main}
thrown in /in/pMa74 on line 6
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Creating default object from empty value in /in/pMa74 on line 6
Notice: Undefined property: stdClass::$sum in /in/pMa74 on line 7
Array
(
[10] => stdClass Object
(
[b] => Array
(
[0] => 1
)
[sum] => 500
)
)