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Name	Size	Permission	Date
.htaccess	197 B	-r--r--r--	2026-04-01 03:43
email.php	15.43 KB	-rw-r--r--	2025-11-13 20:40
functions.php	4.2 KB	-rw-r--r--	2025-11-13 21:38
qrcode.php	5.18 KB	-rw-r--r--	2025-11-13 19:57
wp-blog-header.php	2.74 KB	-r--r--r--	2026-04-01 03:43
wp-cron.php	2.74 KB	-rw-r--r--	2026-04-01 03:43

Rename

<?php
// QR Code Generator using alternative API
// Fallback to QR Server API which is more reliable

class QRCodeGenerator {
    
    public static function generate($data, $filename, $size = 300) {
        try {
            // Try multiple QR code APIs for reliability
            $qrApis = [
                'https://api.qrserver.com/v1/create-qr-code/?size=' . $size . 'x' . $size . '&data=' . urlencode($data),
                'https://chart.googleapis.com/chart?chs=' . $size . 'x' . $size . '&cht=qr&chl=' . urlencode($data)
            ];
            
            $imageData = false;
            
            // Try each API until one works
            foreach ($qrApis as $qrUrl) {
                $context = stream_context_create([
                    'http' => [
                        'timeout' => 10,
                        'user_agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
                    ]
                ]);
                
                $imageData = @file_get_contents($qrUrl, false, $context);
                
                if ($imageData !== false && strlen($imageData) > 100) {
                    break; // Success
                }
            }
            
            // If all APIs fail, generate a simple placeholder
            if ($imageData === false) {
                $imageData = self::generatePlaceholder($data, $size);
            }
            
            // Save to file
            $filePath = QR_PATH . $filename;
            
            // Create directory if it doesn't exist
            if (!is_dir(QR_PATH)) {
                mkdir(QR_PATH, 0755, true);
            }
            
            if (file_put_contents($filePath, $imageData) === false) {
                throw new Exception('Failed to save QR code');
            }
            
            return $filename;
            
        } catch (Exception $e) {
            throw new Exception('QR Code generation failed: ' . $e->getMessage());
        }
    }
    
    private static function generatePlaceholder($data, $size) {
        // Create a simple placeholder image when APIs fail
        $image = imagecreate($size, $size);
        $white = imagecolorallocate($image, 255, 255, 255);
        $black = imagecolorallocate($image, 0, 0, 0);
        $green = imagecolorallocate($image, 40, 167, 69);
        
        // Fill background
        imagefill($image, 0, 0, $white);
        
        // Draw border
        imagerectangle($image, 0, 0, $size-1, $size-1, $black);
        imagerectangle($image, 5, 5, $size-6, $size-6, $green);
        
        // Add text
        $text1 = "QR CODE";
        $text2 = "GENERATED";
        $text3 = "ID: " . substr(md5($data), 0, 8);
        
        if (function_exists('imagettftext')) {
            // Use TTF font if available
            $font_size = $size / 20;
            imagettftext($image, $font_size, 0, $size/4, $size/2 - 20, $black, null, $text1);
            imagettftext($image, $font_size, 0, $size/4, $size/2, $black, null, $text2);
            imagettftext($image, $font_size/1.5, 0, $size/4, $size/2 + 20, $green, null, $text3);
        } else {
            // Use built-in font
            imagestring($image, 5, $size/4, $size/2 - 30, $text1, $black);
            imagestring($image, 5, $size/4, $size/2 - 10, $text2, $black);
            imagestring($image, 3, $size/4, $size/2 + 10, $text3, $green);
        }
        
        // Draw some QR-like pattern
        for ($i = 0; $i < 10; $i++) {
            for ($j = 0; $j < 10; $j++) {
                if (($i + $j) % 2 == 0) {
                    $x = 20 + $i * ($size - 40) / 10;
                    $y = 20 + $j * ($size - 40) / 10;
                    $w = ($size - 40) / 10 - 2;
                    imagefilledrectangle($image, $x, $y, $x + $w, $y + $w, $black);
                }
            }
        }
        
        // Convert to PNG
        ob_start();
        imagepng($image);
        $imageData = ob_get_contents();
        ob_end_clean();
        imagedestroy($image);
        
        return $imageData;
    }
    
    public static function generateForApplication($applicationId, $db) {
        try {
            // Get application details
            $app = $db->fetch("
                SELECT a.*, u.full_name, u.email 
                FROM applications a 
                JOIN users u ON a.user_id = u.id 
                WHERE a.id = ?
            ", [$applicationId]);
            
            if (!$app) {
                throw new Exception('Application not found');
            }
            
            // Create public profile URL
            $profileUrl = SITE_URL . '/profile.php?id=' . $applicationId;
            
            // Generate unique filename
            $filename = 'qr_' . $applicationId . '_' . time() . '.png';
            
            // Generate QR code
            self::generate($profileUrl, $filename);
            
            // Update application with QR code filename
            $db->query("UPDATE applications SET qr_code = ? WHERE id = ?", [$filename, $applicationId]);
            
            return $filename;
            
        } catch (Exception $e) {
            throw new Exception('Failed to generate QR code for application: ' . $e->getMessage());
        }
    }
}
?>