php檔案上傳需要注意哪些

本文主要和大家分享php檔案上傳需要注意哪些事項，希望能協助到大家。

php版本區別：

<=5.4 curl上傳檔案只支援@文法= 5.5 支援@文法和CURLFile類大於=5.6 只支援CURLFile類

// 相容性寫法參考樣本

$curl = curl_init();if (class_exists('\CURLFile')) {// 這裡用特性檢測判斷php版本     curl_setopt($curl, CURLOPT_SAFE_UPLOAD, true);        $data = array('file' => new \CURLFile(realpath($source)));//>=5.5 } else {     if (defined('CURLOPT_SAFE_UPLOAD')) {         curl_setopt($curl, CURLOPT_SAFE_UPLOAD, false);     }     $data = array('file' => '@' . realpath($source));//<=5.5 } curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_POST, 1 ); curl_setopt($curl, CURLOPT_POSTFIELDS, $data); curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); curl_setopt($curl, CURLOPT_USERAGENT,"TEST"); $result = curl_exec($curl); $error = curl_error($curl);

php版本區別：

<=5.4 curl上傳檔案只支援@文法= 5.5 支援@文法和CURLFile類大於=5.6 只支援CURLFile類

// 相容性寫法參考樣本

$curl = curl_init();if (class_exists('\CURLFile')) {// 這裡用特性檢測判斷php版本     curl_setopt($curl, CURLOPT_SAFE_UPLOAD, true);        $data = array('file' => new \CURLFile(realpath($source)));//>=5.5 } else {     if (defined('CURLOPT_SAFE_UPLOAD')) {         curl_setopt($curl, CURLOPT_SAFE_UPLOAD, false);     }     $data = array('file' => '@' . realpath($source));//<=5.5 } curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_POST, 1 ); curl_setopt($curl, CURLOPT_POSTFIELDS, $data); curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); curl_setopt($curl, CURLOPT_USERAGENT,"TEST"); $result = curl_exec($curl); $error = curl_error($curl);