PDF 函数
PHP Manual

PDF_skew

(PHP 4, PECL pdflib >= 1.0.0)

PDF_skewSkew the coordinate system

说明

bool PDF_skew ( resource $p , float $alpha , float $beta )

Skews the coordinate system in x and y direction by alpha and beta degrees, respectively. 成功时返回 TRUE, 或者在失败时返回 FALSE


PDF 函数
PHP Manual