(PHP 4 >= 4.0.1, PHP 5, PHP 7) Parses input from a file according to a format

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Match filename against a pattern

(PHP 5 >= 5.1.2, PHP 7) Changes group ownership of symlink

(PHP 4, PHP 5, PHP 7) Alias of

(PHP 4, PHP 5, PHP 7) Truncates a file to a given length

(PHP 4, PHP 5, PHP 7) Gets file size int filesize

(PHP 4, PHP 5, PHP 7) Changes the current umask

(PECL xdiff >= 1.5.0) Patch a string with a binary diff

(PECL xdiff >= 0.2.0) Patch a file with an unified diff

See unlink() or