Returns the pixel height of a character in the specified font.
Список параметров
font
Can be 1, 2, 3, 4, 5 for built-in
fonts in latin2 encoding (where higher numbers corresponding to larger fonts) or any of your
own font identifiers registered with imageloadfont().
Возвращаемые значения
Returns the height of the pixel.
Примеры
Пример #1 Using imagefontheight() on built-in fonts