Online PHP editor | output for 9fnjW

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: Fatal error: Uncaught Error: Cannot add element to the array as the next element is already occupied in /in/9fnjW:2 Stack trace: #0 {main} thrown in /in/9fnjW on line 2
Process exited with code 255.
Output for 5.6.27 - 5.6.40, 7.0.13 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Warning: Cannot add element to the array as the next element is already occupied in /in/9fnjW on line 2 Warning: Cannot add element to the array as the next element is already occupied in /in/9fnjW on line 2 Warning: Cannot add element to the array as the next element is already occupied in /in/9fnjW on line 2 9223372036854775806:9223372036854775807
Output for 5.2.10 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.26, 7.0.0 - 7.0.12: 9223372036854775806:9223372036854775807
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.9: 9223372036854775806:9223372036854775807:-9223372036854775808:-9223372036854775807:-9223372036854775806