Online PHP editor | output for 1b4G8

Output for 4.4.5 - 4.4.9: Fatal error: Call to undefined function: iconv() in /in/1b4G8 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.2 - 4.3.11, 4.4.0 - 4.4.4: Fatal error: Call to undefined function: iconv() in /in/1b4G8 on line 3
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2: Fatal error: Call to undefined function mb_check_encoding() in /in/1b4G8 on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.45: Fatal error: Call to undefined function iconv() in /in/1b4G8 on line 3
Process exited with code 255.
Output for 7.3.32, 7.4.26, 7.4.33, 8.0.13, 8.5.1 - 8.5.11: Fatal error: Uncaught Error: Call to undefined function iconv() in /in/1b4G8:3 Stack trace: #0 {main} thrown in /in/1b4G8 on line 3
Process exited with code 255.
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.4, 8.3.6 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0: string(7) "��PHP" string(14) "f5808080504850" bool(false)
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.5.0 - 5.5.38: string(7) "��PHP" string(14) "f5808080504850" bool(true)
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(7) "��PHP" string(14) "f5808080504850" bool(false)