pdf_stringwidth Returns width of text using current font floatpdf_stringwidth resourcepdfdoc stringtext intfont floatsize Returns the width of text using the parameters font and size. Please note that font is a font handle returned by pdf_findfont. Parameters font and size are optional before PHP 4.3.5 or with PDFlib less than 5. If they are not specified, the font set by pdf_setfont is used. Both the font and size parameters must be used together. See also pdf_setfont and pdf_findfont.