PHP 图片上传

$file = $_FILES;
if(!empty($file['photo'])){
    if(is_uploaded_file($_FILES['photo']['tmp_name'])){
        $gFilePath = $GLOBALS['filePath'];
        $path = $gFilePath.'/adm/doc/'.date("Ym").'/';
        if (!file_exists($path)){
               mkdir($path, 0777, true);
               chmod($path,0777);
            }
        $ext = pathinfo($_FILES['photo']['name'] , PATHINFO_EXTENSION);
        $new_name = $path.uniqid(). '.' . $ext;
        if(false != (move_uploaded_file($_FILES['photo']['tmp_name'], $new_name))){
            $data['photo'] = str_replace($gFilePath, '', $new_name);                        
        }
    }
}
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