Php/docs/imagick.getimagesignature

• PHP Manual
• Imagick
• Generates an SHA-256 message digest

Imagick::getImageSignature

(PECL imagick 2, PECL imagick 3)

Imagick::getImageSignature — Generates an SHA-256 message digest

Description

public Imagick::getImageSignature ( ) : string

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

Return Values

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

Errors/Exceptions

Throws ImagickException on error.