Guide to using is_dir() function in PHP, guide to using is_dir_PHP tutorial

Guide to the use of is_dir() function in PHP, guide to the use of is_dir

Function: is_dir()

Function: Determine whether the given file name is a directory

Description:
bool is_dir ( string $filename )

Returns TRUE if the filename exists and is a directory.
If filename is a relative path, its relative path is checked against the current working directory.

Note: The result of this function will be cached. See clearstatcache() for more information.

Example 1

<&#63;
var_dump(is_dir('a_file.txt')) . "\n";
var_dump(is_dir('bogus_dir/abc')) . "\n";
var_dump(is_dir('..')); //one dir up
&#63;>

The above example will output:

bool(false)
bool(false)
bool(true)

Example 2

<&#63;php
$file = "images";
if(is_dir($file))
{
echo ("$file is a directory");
}
else
{
echo ("$file is not a directory");
}
&#63;>

Output:
If the images directory exists, output:
images is a directory

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