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Explain the working with directories using opendir(), readdirs(), closedir() along with examples.



Opendir():- It opens the directory. This function returns a directory stream on success and FALSE and an error on failure.

Syntax:
Opendir(directory, context)
Context is a set of options that can modify the behavior of a stream
Example: opens sample directory.
$dir = opendir(“directory”);

Readdir(): It returns an entry from a directory handle opened by opendir().
Syntax:
Readdir(dir_stream)
Example:
$file = readdir($dir);

closedir(): It closes a directory handle opened by opendir().
Syntax:
closedir(dir_stream)
Example:
$file = close($dir);

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