Online PHP editor | output for MRdg4

Output for 8.2.18 - 8.2.19, 8.3.5 - 8.3.7: Deprecated: IntlDateFormatter::__construct(): Passing null to parameter #3 ($timeType) of type int is deprecated in /in/MRdg4 on line 4 First Formatted output is 1. jan. 1970, 01:00:00 sentraleuropeisk normaltid
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4: Deprecated: IntlDateFormatter::__construct(): Passing null to parameter #3 ($timeType) of type int is deprecated in /in/MRdg4 on line 4 First Formatted output is 1. jan. 1970, 01.00.00 sentraleuropeisk normaltid
Output for 8.1.28: Deprecated: IntlDateFormatter::__construct(): Passing null to parameter #3 ($timeType) of type int is deprecated in /in/MRdg4 on line 6 First Formatted output is 1. jan. 1970, 01:00:00 sentraleuropeisk normaltid
Output for 8.1.0 - 8.1.27: Deprecated: IntlDateFormatter::__construct(): Passing null to parameter #3 ($timeType) of type int is deprecated in /in/MRdg4 on line 6 First Formatted output is 1. jan. 1970, 01.00.00 sentraleuropeisk normaltid
Output for 5.5.24 - 5.5.28, 5.5.31 - 5.5.33, 5.5.35, 5.6.8 - 5.6.12, 5.6.16 - 5.6.19, 5.6.21, 7.0.0 - 7.0.4, 7.0.6, 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30: First Formatted output is 1. jan. 1970, 01.00.00 sentraleuropeisk normaltid
Output for 8.0.13: Fatal error: Uncaught Error: Class "Locale" not found in /in/MRdg4:3 Stack trace: #0 {main} thrown in /in/MRdg4 on line 3
Process exited with code 255.
Output for 7.0.5, 7.3.32 - 7.3.33, 7.4.33: Fatal error: Uncaught Error: Class 'Locale' not found in /in/MRdg4:3 Stack trace: #0 {main} thrown in /in/MRdg4 on line 3
Process exited with code 255.
Output for 7.0.20, 7.1.0 - 7.1.10, 7.2.0: First Formatted output is 1. jan. 1970, 01:00:00 sentraleuropeisk normaltid
Output for 5.5.29 - 5.5.30, 5.5.34, 5.6.13 - 5.6.15, 5.6.20: Fatal error: Class 'Locale' not found in /in/MRdg4 on line 3
Process exited with code 255.