Php Curl Better Download File 0 Bytes [TRUSTED]

When PHP’s cURL extension creates an empty file, it usually means the connection was technically successful (the file pointer was opened), but no data was actually transferred or written. Here is a comprehensive guide to diagnosing and fixing the "0-byte" download issue. 1. The Common Culprit: Missing CURLOPT_FOLLOWLOCATION

: Does PHP have permission to write to the destination folder? php curl download file 0 bytes

Note: Do not use this in production. Instead, ensure your server has an up-to-date cacert.pem file. 4. Missing User-Agent Strings When PHP’s cURL extension creates an empty file,

$result = curl_exec($ch); if (curl_errno($ch)) { echo 'Error: ' . curl_error($ch); } else { $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); if ($httpCode !== 200) { echo "Download failed with HTTP code: " . $httpCode; } } Use code with caution. Summary Checklist If your PHP cURL download is 0 bytes, check these in order: (Most likely fix). } else { $httpCode = curl_getinfo($ch