Online PHP editor | output for jSFQj

Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.28, 5.5.31 - 5.5.33, 5.5.35, 5.6.7 - 5.6.12, 5.6.16 - 5.6.19, 5.6.21 - 5.6.28, 7.0.0 - 7.0.4, 7.0.6 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 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, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: string(5) "fr_FR"
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(5) "fr_FR"
Output for 8.0.13: Fatal error: Uncaught Error: Class "Locale" not found in /in/jSFQj:3 Stack trace: #0 {main} thrown in /in/jSFQj 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/jSFQj:3 Stack trace: #0 {main} thrown in /in/jSFQj on line 3
Process exited with code 255.
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/jSFQj on line 3
Process exited with code 255.