PHP dir() function usage and example

PHP Directory Reference Manual

The dir() function returns an instance of the Directory class

Syntax

dirhandle　bool　dir　(　string　$directory　)

Definition and usage

The dir() function opens a directory handle and returns an object. This object contains three methods, namely read(), rewind(), and close().

Parameter

Return value

　If successful, returns an instance of the Directory class, returns NULL if the parameter is incorrect, and returns FALSE for other error conditions.

Online example

The following is the usage of the dir() function:

<?php
　　　$d　=　dir("/var/www/");
　　　echo　"Handle:　"　.　$d->handle　.　"\n";
　　　echo　"Path:　"　.　$d->path　.　"\n";
　　　
　　　while　(false　!==　($entry　=　$d->read()))　{
　　　　　　echo　$entry."\n";
　　　}
　　　$d->close();
?>

Output result:

Handle:　Resource　id　#5　Path:　/var/www/　..　cgi-bin　html　.