Gmagick::getimagesignature

(PECL gmagick >= Unknown)

Gmagick::getimagesignature — Generates an SHA-256 message digest

说锟斤拷

public Gmagick::getimagesignature ( void ) : string

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

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

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锟斤拷锟斤拷时锟阶筹拷 GmagickException锟斤拷