(PECL haru >= 0.0.1)
HaruPage::measureText — Calculate the number of characters which can be included within the specified width
$text
   , float $width
   [, bool $wordwrap = false
  ] )Get the number of characters which can be included within the specified width.
textThe text to measure.
widthThe width of the area to put the text to.
wordwrap
       When this parameter is set to TRUE the function "emulates" word
       wrapping and doesn't include the part of the current word if reached
       the end of the area.
      
Returns the number of characters which can be included within the specified width.
Lancia un'eccezione HaruException in caso di errore.