php_fileinfo extension does not load and does not appear to be installed

[DrOctogon]

PHP Warning: PHP Startup: Unable to load dynamic library 'php_fileinfo' (tried: /usr/local/php/lib/php/extensions/no-debug-zts-20210902/php_fileinfo (/usr/local/php/lib/php/extensions/no-debug-zts-20210902/php_fileinfo: cannot open shared object file: No such file or directory), /usr/local/php/lib/php/extensions/no-debug-zts-20210902/php_fileinfo.so (/usr/local/php/lib/php/extensions/no-debug-zts-20210902/php_fileinfo.so: cannot open shared object file: No such file or directory)) in Unknown on line 0