Online PHP editor | output for AXOGU

Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: bool(true) string(3) "val" bool(false) Fatal error: Uncaught Error: Call to undefined function php_logo_guid() in /in/AXOGU:9 Stack trace: #0 {main} thrown in /in/AXOGU on line 9
Process exited with code 255.
Output for 5.5.0 - 5.5.37, 5.6.0 - 5.6.28: bool(true) string(3) "val" bool(false) Fatal error: Call to undefined function php_logo_guid() in /in/AXOGU on line 9
Process exited with code 255.
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 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45: bool(true) string(3) "val" bool(false) string(39) "PHPE9568F34-D428-11d2-A769-00AA001ACF42"