上传到服务器后，Php生成了错误的格式url文件路径

Below is the code for me to generate a unique file Url of each image uploaded and store it to database.

    //create unique image file name based on micro time and date
    $now = DateTime::createFromFormat('U.u', microtime(true));
    $id = $now->format('YmdHisu');

    // Path to move uploaded files
    $target_path = "uploads";
    //the file name
    $path = "$target_path/$id.jpeg";

    // getting server ip address
    $server_ip = gethostbyname(gethostname());

    // final file url that is being uploaded
    $file_upload_url = 'http://'. $server_ip . '/' . 'abc' . '/' .$path;

What I expect for this code should generate the url in json_encode as below:

http://111.111.11.1/abc/uploads/20170226041004809200.jpeg

But now the problem is it generate the Url but in json_encode result is like below

http:\/\/111.111.11.1\/abc\/uploads\/20170226041004809200.jpeg

What I tried so far,

$file_upload_url = 'http:'. $server_ip  . 'abc'  .$path;

But it not what I want,it become this

http:111.111.11.1.1abcuploads\/20170226041515563600.jpeg

Can somebody have any idea how to solve this?Or have a better suggestion?

Use str_replace to replace the \

<?php
   $file_upload_url = "http:\/\/111.111.11.1\/abc\/uploads\/20170226041004809200.jpeg";
   $upload_path = str_replace('\\','',$file_upload_url);
   echo $upload_path;
?>

If you are working on same server then why don't you try to upload file with code snippet-

 $file_upload_url = realpath($_SERVER["DOCUMENT_ROOT"]). '/abc' . '/' .$path;
// you can manage url by -
$base_url  = isset($_SERVER['HTTPS']) ? 'https://' : 'http://';
$base_url.=$_SERVER['SERVER_ADDR'];
$base_url.='/abc/'.$path
// now print your url-
echo $base_url;