Online PHP editor | output for CIseJ

Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Warning: preg_match(): Compilation failed: quantifier does not follow a repeatable item at offset 12 in /in/CIseJ on line 2 Array ( [0] => about-us [1] => about )
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 Warning: preg_match(): Compilation failed: quantifier does not follow a repeatable item at offset 12 in /in/CIseJ on line 2 Array ( [0] => about-us [1] => about )
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33: Warning: preg_match(): Compilation failed: nothing to repeat at offset 12 in /in/CIseJ on line 2 Array ( [0] => about-us [1] => about )
Output for 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6: Warning: preg_match(): Compilation failed: nothing to repeat at offset 12 in /in/CIseJ on line 2 Array ( ) Array ( [0] => about-us [1] => about )
Output for 4.3.0 - 4.3.10: Warning: Compilation failed: nothing to repeat at offset 12 in /in/CIseJ on line 2 Array ( ) Array ( [0] => about-us [1] => about )