Deprecated: Return type of & DataContainer::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/rFo41 on line 11
Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, DataContainer given in /in/rFo41:19
Stack trace:
#0 /in/rFo41(19): array_keys(Object(DataContainer))
#1 {main}
thrown in /in/rFo41 on line 19
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, DataContainer given in /in/rFo41:19
Stack trace:
#0 /in/rFo41(19): array_keys(Object(DataContainer))
#1 {main}
thrown in /in/rFo41 on line 19
Process exited with code 255.
Warning: array_keys() expects parameter 1 to be array, object given in /in/rFo41 on line 19
Warning: Invalid argument supplied for foreach() in /in/rFo41 on line 19
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$key' (T_VARIABLE) in /in/rFo41 on line 13
Process exited with code 255.