This function is obviously deprecated as it only returns a zero-length string. The file name (with complete path) is returned by getImageFilename () instead.
(PECL imagick 2, PECL imagick 3)
Imagick::getFilename — The filename associated with an image sequence
此函数没有参数。
Returns a string on success.
错误时抛出 ImagickException。
This function is obviously deprecated as it only returns a zero-length string. The file name (with complete path) is returned by getImageFilename () instead.