Gmagick::getimagesignature
(PECL gmagick >= Unknown)
Gmagick::getimagesignature — Generates an SHA-256 message digest
Beskrivelse
public string Gmagick::getimagesignature
( void
)
Generates an SHA-256 message digest for the image pixel stream.
Parametre
This function has no parameters.
Returnerings Værdier
Returns a string containing the SHA-256 hash of the file.
Fejl/Undtagelser
Throws an GmagickException on error.
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