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Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
(PECL haru >= 0.0.1)
HaruPage::setGrayStroke — Sets stroking color for the page
$value
)Defines stroking color for the page.
value
The value of gray level between 0 and 1.
Returns TRUE
on success.
发生错误时抛出 HaruException 异常。