PHP Manual . ... PHP 4 >= 4.0.5) SWFFont -- Loads a font definition . ... The behaviour of this function, the name of this function, and anything else documented about this function may change in a future release of PHP without notice. ... If filename is the name of an FDB file (i.e., it ends in ".fdb"), load the font definition found in said file. ... FDB ("font definition block") is a very simple wrapper for the SWF DefineFont2 block which contains a full description of a font. ... swffont->getwidth ...