(PECL pdflib >= 2.0.0)
PDF_begin_glyph — Start glyph definition for Type 3 font
$pdfdoc
   , string $glyphname
   , float $wx
   , float $llx
   , float $lly
   , float $urx
   , float $ury
   )Starts a glyph definition for a Type 3 font.