Online PHP editor | output for l8GaH

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Warning: Undefined variable $roomTypeId in /in/l8GaH on line 15 {"hotel_age_child":0,"hotel_age_teen":12,"hotel_age_adult":16,"hotel_age_senior":50,"hotel_age_child_label":"Child Label","hotel_age_teen_label":"Teen Label","hotel_age_adult_label":"Adult Label","hotel_age_senior_label":"Senior Label","hotel_age_infant_label":"Infant Label","room_types":[{"room_type_id":null,"room_type_max_adults":2,"room_type_max_children":0,"room_type_max_occupants":2}]}
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33: Notice: Undefined variable: roomTypeId in /in/l8GaH on line 15 {"hotel_age_child":0,"hotel_age_teen":12,"hotel_age_adult":16,"hotel_age_senior":50,"hotel_age_child_label":"Child Label","hotel_age_teen_label":"Teen Label","hotel_age_adult_label":"Adult Label","hotel_age_senior_label":"Senior Label","hotel_age_infant_label":"Infant Label","room_types":[{"room_type_id":null,"room_type_max_adults":2,"room_type_max_children":0,"room_type_max_occupants":2}]}
Output for 7.3.32 - 7.3.33, 7.4.26: {"hotel_age_child":0,"hotel_age_teen":12,"hotel_age_adult":16,"hotel_age_senior":50,"hotel_age_child_label":"Child Label","hotel_age_teen_label":"Teen Label","hotel_age_adult_label":"Adult Label","hotel_age_senior_label":"Senior Label","hotel_age_infant_label":"Infant Label","room_types":[{"room_type_id":null,"room_type_max_adults":2,"room_type_max_children":0,"room_type_max_occupants":2}]}
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/l8GaH on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected '[' in /in/l8GaH on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/l8GaH on line 3
Process exited with code 255.