Definition and Usage
The dir() function opens a directory handle and returns an object. The object contains three methods called read() , rewind() , and close() .This function returns a directory stream on success and FALSE and an error on failure. You can hide the error output by adding an '@' in front of the function name.
Syntax
dir(directory)
| Parameter | Description |
|---|---|
| directory | Required. Specifies the directory to stream |
Example 1
<?php
//Open images directory
$dir = dir("images");
//List files in images directory
while (($file = $dir->read()) !== false)
{
echo "filename: " . $file . "<br />";
}
$dir->close();
?>
//Open images directory
$dir = dir("images");
//List files in images directory
while (($file = $dir->read()) !== false)
{
echo "filename: " . $file . "<br />";
}
$dir->close();
?>
OUTPUT :
filename: .
filename: ..
filename: cat.gif
filename: dog.gif
filename: food
filename: horse.gif
filename: ..
filename: cat.gif
filename: dog.gif
filename: food
filename: horse.gif
Example 2
This example hides the error if dir() fails:
<?php
//Open images directory
$dir = @ dir("images");
//List files in images directory
while (($file = $dir->read()) !== false)
{
echo "filename: " . $file . "<br />";
}
$dir->close();
?>
//Open images directory
$dir = @ dir("images");
//List files in images directory
while (($file = $dir->read()) !== false)
{
echo "filename: " . $file . "<br />";
}
$dir->close();
?>
filename: .
filename: ..
filename: cat.gif
filename: dog.gif
filename: food
filename: horse.gif
filename: ..
filename: cat.gif
filename: dog.gif
filename: food
filename: horse.gif