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<?php

/**

* Copyright 2016 Google Inc.

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

// [START vision_fulltext_detection]

namespace Google\Cloud\Samples\Vision;

use Google\Cloud\Vision\V1\ImageAnnotatorClient;

// $path = 'path/to/your/image.jpg'

function detect_document_text($path)

{

$imageAnnotator = new ImageAnnotatorClient();

# annotate the image

$image = file_get_contents($path);

$response = $imageAnnotator->documentTextDetection($image);

$annotation = $response->getFullTextAnnotation();

# print out detailed and structured information about document text

if ($annotation) {

foreach ($annotation->getPages() as $page) {

foreach ($page->getBlocks() as $block) {

$block_text = '';

foreach ($block->getParagraphs() as $paragraph) {

foreach ($paragraph->getWords() as $word) {

foreach ($word->getSymbols() as $symbol) {

$block_text .= $symbol->getText();

}

$block_text .= ' ';

}

$block_text .= "\n";

}

printf('Block content: %s', $block_text);

printf('Block confidence: %f' . PHP_EOL,

$block->getConfidence());

# get bounds

$vertices = $block->getBoundingBox()->getVertices();

$bounds = [];

foreach ($vertices as $vertex) {

$bounds[] = sprintf('(%d,%d)', $vertex->getX(),

$vertex->getY());

}

print('Bounds: ' . join(', ',$bounds) . PHP_EOL);

print(PHP_EOL);

}

}

} else {

print('No text found' . PHP_EOL);

}

$imageAnnotator->close();

}

// [END vision_fulltext_detection]