(PHP 5 < 5.3.0, PECL ming SVN)
SWFText::getWidth — Computes string's width
$string) : float
This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.
Returns the rendered width of the
string at the
text object's current font, scale, and spacing settings.