lib/fal/dropbox.php
public function exists($file, $hidden=false, $rev=NULL, $type='sandbox')
	{
		return $this->metadata($file, false, true, $hidden, $rev, $type);
	}
public function exists($file, $hidden=false, $rev=NULL, $type='sandbox')
	{
		return $this->metadata($file, false, true, $hidden, $rev, $type);
	}
public function exists ( $ file , $ hidden = false , $ rev = NULL , $ type = 'sandbox' ) { return $ this -> metadata ( $ file , false , true , $ hidden , $ rev , $ type ) ; }
determine if the file exists
@param        $file
@param bool   $hidden
@param null   $rev
@param string $type
@return mixed
determine if the file exists