February 12, 2011 
Definition:
function recurse_dirsize( $directory ) {}
Get the size of a directory recursively.
Used by get_dirsize() to get a directory’s size when it contains other directories.
Parameters
- string $directory
Source code
function recurse_dirsize( $directory ) {
$size = 0;
$directory = untrailingslashit( $directory );
if ( !file_exists($directory) || !is_dir( $directory ) || !is_readable( $directory ) )
return false;
if ($handle = opendir($directory)) {
while(($file = readdir($handle)) !== false) {
$path = $directory.'/'.$file;
if ($file != '.' && $file != '..') {
if (is_file($path)) {
$size += filesize($path);
} elseif (is_dir($path)) {
$handlesize = recurse_dirsize($path);
if ($handlesize > 0)
$size += $handlesize;
}
}
}
closedir($handle);
}
return $size;
}
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