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@ -12,7 +12,9 @@
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// https://developers.google.com/chart/infographics/docs/qr_codes
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$png_cached = room_qr_code_cached($room_id);
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if (file_exists($png_cached))
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// fwrite(STDERR, "QR code found for " . $room_id . PHP_EOL);
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return base64_encode(file_get_contents($png_cached));
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// fwrite(STDERR, "QR code NOT found for " . $room_id . PHP_EOL);
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$data = urlencode($join_url);
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$api_url =
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"https://chart.googleapis.com/chart?cht=qr" .
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