September 2001
Intermediate to advanced
768 pages
32h 45m
English
Content preview from PHP Functions Essential Reference
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dir
mixed dir(string dir) A pseudo-object-oriented wrapper for many of the directory functions.
Returns:
Resource pointer on success; FALSE for other cases
Description:
dir() is a pseudo-object-oriented wrapper for all the directory functions that work with directory streams. It is certainly one of PHP’s oddball functions—an early experiment in implementing object-oriented features for PHP. (See the notes for an anecdote from Jim Winstead, the author of the function.)
When the function is called, it opens a directory stream to directory dir and returns an object. When the directory stream is opened, a resource pointer for the stream is created. This pointer is stored as a class property called handle and the pathname of the directory is stored ...
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