The DirectoryIterator::isDir() function is an inbuilt function in PHP which is used to check the current DirectoryIterator item is a directory or not.
Syntax:
bool DirectoryIterator::isDir( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns TRUE if the directory exist, FALSE otherwise.
Below programs illustrate the DirectoryIterator::isDir() function in PHP:
Program 1:
<?php // Create a directory Iterator $directory = new DirectoryIterator(dirname( __FILE__ ));
// Loop runs while directory is valid while ( $directory ->valid()) {
// Check for directory element
if ( $directory ->isDir()) {
$file = $directory ->current();
// Display the filename and its size
echo $file ->getFilename() . " | Size: "
. $directory ->getSize() . "<br>" ;
}
// Move to the next element
$directory ->next();
} ?> |
Output:
. | Size: 4096 .. | Size: 12288 dashboard | Size: 4096 img | Size: 0 webalizer | Size: 0 xampp | Size: 0
Program 2:
<?php // Create a directory Iterator $directory = new DirectoryIterator(dirname( __FILE__ ));
// Loop runs while directory is valid while ( $directory ->valid()) {
// Check for directory element
if ( $directory ->isDir()) {
$file = $directory ->current();
// Display file name and last modified time
echo $file ->getFilename() . " | MTime: "
. $directory ->getMTime() . "<br>" ;
}
// Move to the next element
$directory ->next();
} ?> |
Output:
. | MTime: 1574654324 .. | MTime: 1574540515 dashboard | MTime: 1574350724 img | MTime: 1574350724 webalizer | MTime: 1574350718 xampp | MTime: 1574350724
Note: The output of this function depends on the content of server folder.