The DirectoryIterator::getSize() function is an inbuilt function in PHP which is used to returns the size of the current DirectoryIterator item.
Syntax:
int DirectoryIterator::getSize( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns the size of the file, in bytes.
Below programs illustrate the DirectoryIterator::getSize() 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 it is directory or not     if ($directory->isDir()) {         $file = $directory->current();         echo $file->getFilename() . " | Size: "                . $directory->getSize() . "<br>";     }       // Move to next element of directory     $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 $directory = new DirectoryIterator(dirname(__FILE__));   // Loop runs for each element of directory foreach($directory as $dir) {           $file = $directory->current();           echo $dir->key() . " => " .         $file->getFilename() . " | Size: " .         $dir->getSize() . "<br>"; }   ?> |
Output:
0 => . | Size: 4096 1 => .. | Size: 12288 2 => applications.html | Size: 3607 3 => bitnami.css | Size: 177 4 => dashboard | Size: 4096 5 => favicon.ico | Size: 30894 6 => neveropen.PNG | Size: 22358 7 => gfg.php | Size: 273 8 => img | Size: 0 9 => index.php | Size: 260 10 => webalizer | Size: 0 11 => xampp | Size: 0
Note: The output of this function depends on the content of server folder.
Reference: https://www.php.net/manual/en/directoryiterator.getsize.php
