Update CaptchaGenerator.php
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@ -77,7 +77,7 @@ class CaptchaGenerator
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// Returns the image generation URL
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if ($options['as_url']) {
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return $this->router->generate('gregwar_captcha.generate_captcha',
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array('key' => $options['session_key'], 'n' => md5(microtime(true).rand(0, 9))));
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array('key' => $options['session_key'], 'n' => md5(microtime(true).mt_rand())));
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}
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return 'data:image/jpeg;base64,' . base64_encode($this->generate($options));
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