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robthree
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twofactorauth
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Providers
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Qr
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File: ImageChartsQRCodeProvider.php
<?php namespace RobThree\Auth\Providers\Qr; // https://image-charts.com class ImageChartsQRCodeProvider extends BaseHTTPQRCodeProvider { public $errorcorrectionlevel; public $margin; function __construct($verifyssl = false, $errorcorrectionlevel = 'L', $margin = 1) { if (!is_bool($verifyssl)) throw new \QRException('VerifySSL must be bool'); $this->verifyssl = $verifyssl; $this->errorcorrectionlevel = $errorcorrectionlevel; $this->margin = $margin; } public function getMimeType() { return 'image/png'; } public function getQRCodeImage($qrtext, $size) { return $this->getContent($this->getUrl($qrtext, $size)); } public function getUrl($qrtext, $size) { return 'https://image-charts.com/chart?cht=qr' . '&chs=' . ceil($size/2) . 'x' . ceil($size/2) . '&chld=' . $this->errorcorrectionlevel . '|' . $this->margin . '&chl=' . rawurlencode($qrtext); } }