Online PHP editor | output for Nb6Gm

Output for 5.3.22 - 5.3.29, 5.4.7 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5: SplFileObject: <?php SplFileInfo: /in/Nb6Gm
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.21, 5.4.0 - 5.4.6: SplFileObject: /in/Nb6Gm SplFileInfo: /in/Nb6Gm
Output for 5.1.0 - 5.1.1: Fatal error: Class 'SplFileInfo' not found in /in/Nb6Gm on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Fatal error: Class 'SplFileObject' not found in /in/Nb6Gm on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9: Fatal error: Cannot instantiate non-existent class: splfileobject in /in/Nb6Gm on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Cannot instantiate non-existent class: splfileobject in /in/Nb6Gm on line 6