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Imagick::getImageSignature

(PECL imagick 2.0.0)

Generates an SHA-256 message digest

string Imagick::getImageSignature ( void )

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

Returns:

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

Exception:

Throws ImagickException on error.

Links:

http://php.net/manual/en/imagick.getimagesignature.php

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2016-02-24 16:01:04

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