Text Detection with Google Cloud Vision by PHP

text-detector.php

# use package "google/cloud-vision": "^1.2.2"

<?php

use Google\Cloud\Vision\V1\ImageAnnotatorClient;
use Google\Cloud\Vision\V1\TextAnnotation;

$imageAnnotatorClient = new ImageAnnotatorClient([
    'credentials' => './service-account-key.json'
]);

$imageContent = file_get_contents($imageUrl);
$response = $imageAnnotatorClient->textDetection($imageContent);
$texts = $response->getTextAnnotations();
foreach ($texts as $text) {
    $detectedText = $text->getDescription();
    $extractedText .= ' ' . $detectedText;
}

echo $extractedText;