PHP处理base64编码图片

    /**
     * 处理base64编码格式的图片
     * @param $base64_image_content
     * @return mixed
     */
   function saveBase64Image($base64_image_content){
         if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $base64_image_content, $result)){
             //图片后缀
             $type = $result[2];
             //保存位置--图片名
             $image_name=date('His').str_pad(mt_rand(1, 99999), 5, '0', STR_PAD_LEFT).".".$type;
             $path= 'Uploads/image/';
             $this->mkdirs($path);
             $image_url = $path.uniqid().$image_name;
             $this->mkdirs($image_url);
             //解码
             $decode=base64_decode(str_replace($result[1], '', $base64_image_content));
             if (file_put_contents($image_url, $decode)){
                 $data['code']=0;
                 $data['imageName']=$image_name;
                 $data['url']=$image_url;
                 $data['msg']='保存成功！';
             }else{
                 $data['code']=1;
                 $data['imageName']='';
                 $data['url']='';
                 $data['msg']='图片保存失败！';
             }
         }else{
             $data['code']=1;
             $data['imageName']='';
             $data['url']='';
             $data['msg']='base64图片格式有误！';
         }
         return $data;
    }    //判断目录是否存在 不存在则创建
    function mkdirs($dir, $mode = 0777) {
        if (is_dir($dir) || @mkdir($dir, $mode)) return TRUE;
        if (!$this->mkdirs(dirname($dir), $mode)) return FALSE;
        return @mkdir($dir, $mode);
    }

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