lib/fal/dropbox.php
public function isDir($dir, $rev=NULL, $type='sandbox')
	{
		$result = $this->metadata($dir, false, true, false, $rev, $type);
		return (bool)$result;
	}
public function isDir($dir, $rev=NULL, $type='sandbox')
	{
		$result = $this->metadata($dir, false, true, false, $rev, $type);
		return (bool)$result;
	}
public function isDir ( $ dir , $ rev = NULL , $ type = 'sandbox' ) { $ result = $ this -> metadata ( $ dir , false , true , false , $ rev , $ type ) ; return ( bool ) $ result ; }
return whether the item is a directory
@param        $dir
@param null   $rev
@param string $type
@return mixed
return whether the item is a directory