Gmagick
PHP Manual

Gmagick::getimagematte

(PECL gmagick >= Unknown)

Gmagick::getimagematte — Return if the image has a matte channel

说明

public int Gmagick::getimagematte ( void )

Returns TRUE if the image has a matte channel otherwise false.

参数

此函数没有参数。

返回值

Returns TRUE if the image has a matte channel otherwise false.

错误/异常

错误时抛出GmagickException.

Gmagick
PHP Manual