README

Simple visualization of fingerprint of input text with pseudorandom bicolor png image. Generates image build of 8x8 suqare blocks, where just one corner (4x4 blocks) i unique. Other parts are just mirrored to rather have a nice symmetric image more than qr-code like one. You can increase image size by defining block size in pixels.

Installing Fingerprintah

First, get Composer if you don't have it yet.

Next, install Fingerprintah with composer:

composer require wymarzonylogin/fingerprintah

Usage

Make sure that you require Composer's autoloader in your app:

require 'vendor/autoload.php';

Generating png base64 data for image source

<?php
require 'vendor/autoload.php';

$imageGenerator = new \WymarzonyLogin\Fingerprintah\ImageGenerator(8);
$imageData = $imageGenerator->getPngImageBase64Data('Your piece of text');

echo '<img src="'.$imageData.'" />';

//some more code below...

Returning png image

<?php
require 'vendor/autoload.php';

$imageGenerator = new \WymarzonyLogin\Fingerprintah\ImageGenerator(8);
$imageGenerator->getPngImage("Some other text");
//no more code, this controller returns image

Parameters

Constructor accepts integer parameter for image block size in pixels. In example above i used 8; This means, generated image will be 64 x 64 pixels;