Function format_size
Formats a size in "b", "Kb", "Mb", "Gb" or "Tb".
Parameters summary
integer | 
			$size | 
			
Return value summary
				string
			 | 
			string | 
Formats a size in "b", "Kb", "Mb", "Gb" or "Tb".
integer | 
			$size | 
			
				string
			 | 
			string |