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Ce document utilise Manuel du site Web PHP chinois Libérer
(PECL haru >= 0.0.1)
HaruFont::getXHeight — Get the distance from the baseline of lowercase letters
Gets the distance from the baseline of lowercase letters.
此函数没有参数。
Returns the distance from the baseline of lowercase letters.
发生错误时抛出 HaruException 异常。