Gmagick::getimagesignature

(PECL gmagick >= Unknown)

Gmagick::getimagesignatureGenerates an SHA-256 message digest

설명

public string Gmagick::getimagesignature ( void )

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

인수

이 함수는 인수가 없습니다.

반환값

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

오류/예외

Throws an GmagickException on error.

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