(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.
text
The text to measure.
width
The 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.
发生错误时抛出 HaruException 异常。