/**
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Overview
Namespaces
Classes
Source
Overview
Classes
Kinglozzer\SilverStripeTinyPng
CompressedEncoder
processPng
Introduction
Synopsis
Return
Source
Kinglozzer\SilverStripeTinyPng\CompressedEncoder::
processPng
Processes and returns encoded image as PNG string
Signature
protected function processPng()
Returns
string