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<?php |
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namespace Ridvanbaluyos\Face; |
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use Noodlehaus\Config as Config; |
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/** |
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* Microsoft Cognitive Services- Face API |
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* https://www.microsoft.com/cognitive-services/en-us/face-api/documentation/overview |
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* |
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* @package Cognitive Services |
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* @author Ridvan Baluyos <[email protected]> |
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* @link https://github.com/ridvanbaluyos/face |
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* @license MIT |
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*/ |
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class FaceDetection |
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{ |
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private $url; |
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private $subscriptionKey; |
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private $image; |
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private $returnFaceId = false; |
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private $returnFaceLandmarks = false; |
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private $returnFaceAttributes = ''; |
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/** |
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* Constructor |
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*/ |
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public function __construct($image) { |
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$conf = Config::load(__DIR__ . '/config.json'); |
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$this->subscriptionKey = $conf['subscriptionKey']; |
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$this->url = $conf['url']; |
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$this->image = $image; |
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} |
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/** |
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* Get all the face/s detected in an image. |
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* |
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*/ |
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public function getFaces() |
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{ |
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$params = array( |
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'returnFaceId' => $this->returnFaceId, |
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'returnFaceLandmarks' => $this->returnFaceLandmarks, |
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'returnFaceAttributes' => $this->returnFaceAttributes |
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); |
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$query = http_build_query($params); |
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$image = json_encode($this->image); |
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$ch = curl_init(); |
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curl_setopt($ch, CURLOPT_URL, $this->url . '?' . $query); |
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curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST"); |
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curl_setopt($ch, CURLOPT_POSTFIELDS, $image); |
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
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curl_setopt($ch, CURLOPT_HTTPHEADER, array( |
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'Ocp-Apim-Subscription-Key: ' . $this->subscriptionKey, |
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'Content-Type: application/json', |
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'Content-Length: ' . strlen($image) |
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) |
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); |
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$response = curl_exec($ch); |
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return $response; |
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} |
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/** |
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* Optional parameter to get face landmarks. |
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* |
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*/ |
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public function analyzeFaceLandmarks() { |
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$this->returnFaceLandmarks = 'true'; |
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return $this; |
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} |
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/** |
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* Optional parameter to get face attributes. |
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* |
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*/ |
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public function analyzeFaceAttributes() { |
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$this->returnFaceAttributes = 'age,gender,headPose,smile,facialHair,glasses'; |
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return $this; |
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} |
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/** |
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* Alternatively, you can enable all options. |
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* |
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*/ |
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public function analyzeAll() { |
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$this->returnFaceLandmarks = 'true'; |
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$this->returnFaceAttributes = 'age,gender,headPose,smile,facialHair,glasses'; |
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return $this; |
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} |
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} |
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ridvanbaluyos /
face
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To ensure the code behaves as expected, it may be a good idea to add an explicit type cast.