php上传图片到搜狗图床接口代码（免登陆）

代码为PHP版本，调用搜狗图片上传接口。

<form  method="post" enctype="multipart/form-data" action="/test/uppic">
    <input name="smfile" type="file"/><input name="" type="submit" value="上传" />
</form>
<?php
public  function upload(){
        if (isset($_FILES['smfile'])) {
            $fp = fopen($_FILES["smfile"]["tmp_name"],"r");
            $img = base64_encode(fread($fp,$_FILES["smfile"]["size"]));
        }else{
            return array("code"=>"-1","msg"=>"图片格式有误","img"=>null);
        }
        $img = base64_decode($img);
        $data = base64_decode("LS0tLS0tV2ViS2l0Rm9ybUJvdW5kYXJ5R0xmR0IwSGdVTnRwVFQxaw0KQ29udGVudC1EaXNwb3NpdGlvbjogZm9ybS1kYXRhOyBuYW1lPSJwaWNfcGF0aCI7IGZpbGVuYW1lPSIxMS5wbmciDQpDb250ZW50LVR5cGU6IGltYWdlL3BuZw0KDQo=").$img.base64_decode("DQotLS0tLS1XZWJLaXRGb3JtQm91bmRhcnlHTGZHQjBIZ1VOdHBUVDFrLS0NCg==");
        $url = "http://pic.sogou.com/pic/upload_pic.jsp";
        $ch = curl_init();
        $headers=array(
            "Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryGLfGB0HgUNtpTT1k",
            "Content-Length: ".strlen($data)
        );
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        $result=curl_exec($ch);
        curl_close($ch);
        $jsondata = array(
            "url"=>$result
        );
        echo json_encode($jsondata);
    }
    
?>

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