This is a PHP library to capture webcam frames.
You can see this library in action here with a simple Mjpeg stream implementation.
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PHP > 7.4
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Ext FFI
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OpenCV (e.g.
libopencv-videoio-devon APT based systems)
composer require vdechenaux/webcam
$webcam = new \VDX\Webcam\Webcam();
// It can produce an other size if your webcam does not support the provided size
$webcam->setDesiredSize(1280, 720);
if ($webcam->open()) {
$webcam->saveFrame('/tmp/test.jpg'/*, true*/); // It accepts a second parameter to mirror the image
$webcam->close();
}