(PHP 4, PHP 5, PHP 7) Gets file owner int fileowner
(PHP 5 >= 5.1.2, PHP 7) Changes user ownership of symlink
(PHP 4, PHP 5, PHP 7) Alias of
(PHP 5 >= 5.1.2, PHP 7) Changes group ownership of symlink
(PHP 4, PHP 5, PHP 7) Returns canonicalized absolute pathname
(PHP 4, PHP 5, PHP 7) Truncates a file to a given length
(PHP 4 >= 4.1.0, PHP 5, PHP 7) Returns the total size of a filesystem or disk partition
(PHP 4 >= 4.0.1, PHP 5, PHP 7) Flushes the output to a file
(PHP 4 >= 4.3.0, PHP 5, PHP 7) Match filename against a pattern
(PHP 4, PHP 5, PHP 7) Returns trailing name component of path
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