cpdf_stringwidth
    (PHP 3 >= 3.0.8, PHP 4, PHP 5 <= 5.0.4)
cpdf_stringwidth -- Returns width of text in current font
Description
float 
cpdf_stringwidth ( int pdf_document, string text )
     The cpdf_stringwidth() function returns the
     width of the string in text. It requires
     a font to be set before.
    
     See also cpdf_set_font().