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.

Parameters

This function has no parameters.

Return Values

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

Errors/Exceptions

Throws ImagickException on error.

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