Testing Download: $testUrl"; // Fetch the image $ch = curl_init(); curl_setopt_array($ch, [ CURLOPT_URL => $testUrl, CURLOPT_RETURNTRANSFER => true, CURLOPT_FOLLOWLOCATION => true, CURLOPT_MAXREDIRS => 5, CURLOPT_TIMEOUT => 60, CURLOPT_CONNECTTIMEOUT => 15, CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36', CURLOPT_SSL_VERIFYPEER => true, CURLOPT_HTTPHEADER => [ 'Accept: image/*, */*', 'Referer: https://www.flickr.com/', ], ]); $content = curl_exec($ch); $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); $contentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE); $error = curl_error($ch); curl_close($ch); echo "

HTTP Status: $httpCode

"; echo "

Content-Type: $contentType

"; echo "

Content Size: " . strlen($content) . " bytes

"; if ($error) { echo "

cURL Error: $error

"; } // Check magic bytes $magicBytes = substr($content, 0, 16); echo "

First 16 bytes (hex): " . bin2hex($magicBytes) . "

"; $isJpeg = (substr($content, 0, 2) === "\xFF\xD8"); $isPng = (substr($content, 0, 4) === "\x89PNG"); echo "

Is JPEG: " . ($isJpeg ? 'YES' : 'NO') . "

"; echo "

Is PNG: " . ($isPng ? 'YES' : 'NO') . "

"; if ($httpCode === 200 && ($isJpeg || $isPng)) { echo "

✓ Image fetched successfully!

"; // Save test file $testFile = sys_get_temp_dir() . '/flickr_test_' . time() . '.jpg'; file_put_contents($testFile, $content); // Verify with getimagesize $imgInfo = @getimagesize($testFile); if ($imgInfo) { echo "

Image verified: {$imgInfo[0]}x{$imgInfo[1]} - {$imgInfo['mime']}

"; echo "

Test file saved to: $testFile

"; } else { echo "

getimagesize() failed on saved file!

"; } // Show preview echo "

Preview (base64):

"; echo "

"; // Download link echo "

Test Download:

"; echo "

Click to test download

"; @unlink($testFile); } else { echo "

✗ Failed to fetch valid image

"; if (strlen($content) < 500) { echo "

Response content:

" . htmlspecialchars($content) . "

"; } } // Handle download action if (($_GET['action'] ?? '') === 'download') { $url = $_GET['url'] ?? ''; if (!$url) die('No URL'); $ch = curl_init(); curl_setopt_array($ch, [ CURLOPT_URL => $url, CURLOPT_RETURNTRANSFER => true, CURLOPT_FOLLOWLOCATION => true, CURLOPT_USERAGENT => 'Mozilla/5.0', CURLOPT_HTTPHEADER => ['Accept: image/*', 'Referer: https://www.flickr.com/'], ]); $content = curl_exec($ch); curl_close($ch); // Clear ALL output while (ob_get_level()) ob_end_clean(); header('Content-Type: image/jpeg'); header('Content-Length: ' . strlen($content)); header('Content-Disposition: attachment; filename="test_photo.jpg"'); echo $content; exit; }