php文件上传需要注意哪些

<=5.4 curl上传文件只支持@语法= 5.5 支持@语法和CURLFile类大于=5.6 只支持CURLFile类

$curl = curl_init();if (class_exists('\CURLFile')) {// 这里用特性检测判断php版本
     curl_setopt($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);
     }     $data = array(&#39;file&#39; => &#39;@&#39; . realpath($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);

<=5.4 curl上传文件只支持@语法= 5.5 支持@语法和CURLFile类大于=5.6 只支持CURLFile类

$curl = curl_init();if (class_exists('\CURLFile')) {// 这里用特性检测判断php版本
     curl_setopt($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);
     }     $data = array(&#39;file&#39; => &#39;@&#39; . realpath($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);