<?php
declare(strict_types=1);

namespace AppInfrastructure;

use AwsRekognitionRekognitionClient;

class MyComparator
{

/**Credentials for access AWS Service code parameter*/

$credentials = new AwsCredentialsCredentials('{AWS access key ID}',
'{AWS secret access key}');


/**Get Rekognition Access*/

$rekognitionClient = RekognitionClient::factory(array(
'region' => "us-east-1",
'version' => 'latest',
'credentials' => $credentials
));


/**Calling Compare Face function*/

$compareFaceResults= $rekognitionClient->compareFaces([
    'SimilarityThreshold' => 1,
    'SourceImage' => [
        'Bytes' => file_get_contents("SourceImage.jpg")
    ],
    'TargetImage' => [
        'Bytes' => file_get_contents("TargetImage.jpg")
    ],
]);


/**Response to JSON Data*/

$FaceMatchesResult = $compareFaceResults['FaceMatches'];
$SimilarityResult = $FaceMatchesResult['Similarity'] //Here You will get similarity
$sourceImageFace = $compareFaceResults['SourceImageFace']
$sourceConfidence = $sourceImageFace['Confidence'] // //Here You will get confidence of the picture