Online PHP editor | output for 4n1pi

Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: <?xml version="1.0"?> <html> <head><title/></head> <body> <content type="text"/> </body> </html>
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 <?xml version="1.0"?> <html> <head><title/></head> <body> <content type="text"/> </body> </html>
Output for 5.2.2 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33: <?xml version="1.0"?> <html> <head><title/></head> <body> <content type="text"></content> </body> </html>
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.1: Warning: main() [<a href='function.main'>function.main</a>]: It is not yet possible to assign complex types to properties in /in/4n1pi on line 12 Warning: main() [<a href='function.main'>function.main</a>]: It is not possible to assign complex types to nodes in /in/4n1pi on line 12 <?xml version="1.0"?> <html> <head><title/></head> <body> <content type="text"/> </body> </html>
Output for 5.1.2: Warning: main() [<a href='function.main'>function.main</a>]: It is not possible to assign complex types to nodes in /in/4n1pi on line 13 <?xml version="1.0"?> <html> <head><title/></head> <body> <content type="text"/> </body> </html>
Output for 5.0.1 - 5.0.5, 5.1.0 - 5.1.1: Warning: main() [<a href='function.main'>function.main</a>]: It is not possible to assign complex types to nodes in /in/4n1pi on line 12 <?xml version="1.0"?> <html> <head><title/></head> <body> <content type="text"/> </body> </html>
Output for 5.0.0: Warning: It is not possible to assign complex types to nodes in /in/4n1pi on line 12 <?xml version="1.0"?> <html> <head><title/></head> <body> <content type="text"/> </body> </html>
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.1, 4.4.3 - 4.4.9: Fatal error: Cannot instantiate non-existent class: simplexmlelement in /in/4n1pi on line 10 
Process exited with code 255.
Output for 4.4.2: Fatal error: Cannot instantiate non-existent class: simplexmlelement in /in/4n1pi on line 11 
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Cannot instantiate non-existent class: simplexmlelement in /in/4n1pi on line 10