php版本区别：
<=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
// 兼容性写法参考示例
$curl = curl_init();if (class_exists('\curlfile')) {// 这里用特性检测判断php版本 curl_setopt($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); } $data = array('file' => '@' . realpath($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版本区别：
<=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
// 兼容性写法参考示例
$curl = curl_init();if (class_exists('\curlfile')) {// 这里用特性检测判断php版本 curl_setopt($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); } $data = array('file' => '@' . realpath($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);
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以上就是php文件上传需要注意哪些的详细内容。