PHP code example of middlewares / image-manipulation

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

middlewares / image-manipulation example snippets

use Middlewares\ImageManipulation;
use Middlewares\Reader;
use Middlewares\Writer;

//You need a signature key
$key = 'sdf6&-$<@#asf';

//Manipulated images directory
$cachePath = '/path/to/cache';

//Original images directory
$imagePath = '/path/to/images';

$dispatcher = new Dispatcher([
    //read and returns the manipulated image if it's currently cached
    Reader::createFromDirectory($cachePath)->continueOnError(),

    //saves the manipulated images returned by the next middleware
    Writer::createFromDirectory($cachePath),

    //transform the image
    new Middlewares\ImageManipulation($key),

    //read and return a response with original image if exists
    Reader::createFromDirectory($imagePath)->continueOnError(),

    //In your views
    function () {
        //Create a manipulated image uri
        $uri = Middlewares\ImageManipulation::getUri('image.jpg', 'resizeCrop,500,500,CROP_ENTROPY');

        echo "<img src='{$uri}' alt='Manipulated image' width=500 height=500>";
    }
]);

$response = $dispatcher->dispatch(new ServerRequest($uri));

$key = 'super-secret-key';

$imageManipulation = new Middlewares\ImageManipulation($key);

$key = 'super-secret-key';
$streamFactory = new MyOwnStreamFactory();

$imageManipulation = new Middlewares\ImageManipulation($key, $streamFactory);

use Middlewares\ImageManipulation;

$image = '/img/avatar.jpg';
$transform = 'resizeCrop,200,200';

$uri = ImageManipulation::getUri($image, $transform);

echo '<img src="'.$uri.'" alt="My image">';