In what scenarios would using AI or cloud services like AWS be more effective than using PHP for image recognition tasks?

Using AI or cloud services like AWS for image recognition tasks would be more effective than using PHP in scenarios where you need advanced machine learning algorithms, high accuracy rates, and scalability. These services offer pre-trained models, APIs, and infrastructure that can handle large amounts of data and complex image recognition tasks efficiently.

// PHP code snippet for using AWS Rekognition for image recognition

require 'vendor/autoload.php';

use Aws\Rekognition\RekognitionClient;

$rekognition = new RekognitionClient([
    'version' => 'latest',
    'region' => 'us-east-1',
    'credentials' => [
        'key' => 'YOUR_AWS_ACCESS_KEY',
        'secret' => 'YOUR_AWS_SECRET_KEY'
    ]
]);

$result = $rekognition->detectLabels([
    'Image' => [
        'S3Object' => [
            'Bucket' => 'YOUR_S3_BUCKET',
            'Name' => 'YOUR_IMAGE_FILE_NAME'
        ]
    ]
]);

print_r($result);