CakeFest 2024: The Official CakePHP Conference

Gmagick::getimagesignature

(PECL gmagick >= Unknown)

Gmagick::getimagesignatureGenerates an SHA-256 message digest

说明

public Gmagick::getimagesignature(): string

Generates an SHA-256 message digest for the image pixel stream.

参数

此函数没有参数。

返回值

Returns a string containing the SHA-256 hash of the file.

错误/异常

错误时抛出 GmagickException

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