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<?php $obj = (object) [ 'a' => function(){ return 1; }, 'b' => (object) [ 'ba' => function(){ return 2; }, 'bb' => (object) [ 'bba' => function(){ return 3; } ] ] ]; echo $obj->a->__invoke(); $obj->b->ba->__invoke(); $obj->b->bb->bba->__invoke();
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
1

preferences:
157.27 ms | 404 KiB | 213 Q