PHP DirectoryIterator getSize()用法及代碼示例

<?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(); 
} 
  
?>

<?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>"; 
} 
  
?>