(PHP >= 5.3.0, PECL fileinfo >= 0.1.0) Set libmagic configuration options

(PHP >= 5.3.0, PECL fileinfo >= 0.1.0) Return information about a file

(PHP >= 5.3.0, PECL fileinfo >= 0.1.0) Create a new fileinfo resource

(PHP >= 5.3.0, PECL fileinfo >= 0.1.0) Close fileinfo resource

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Detect MIME Content-type for a file

(PHP 5 >= 5.3.0, PHP 7, PECL fileinfo >= 0.1.0) Return information about a string buffer