#1
1 - Take the imgur api key: https://imgur.com/register/api_anon

2 - Create imgur.php in root
PHP Code:
<html>
<
head>
<
title>Upload to Imgur</title>
</
head>
</
html>
<
div><img src="images/imgur.png" border="0" /></div>
<
br /><br />
<
button onclick="document.querySelector('input').click()">Select file...</button>
<
input style="visibility: collapse; width: 0px;" type="file" onchange="upload(this.files[0])">

<
script>
    
window.ondragover = function(e) {e.preventDefault()}
    
window.ondrop = function(e) {e.preventDefault(); upload(e.dataTransfer.files[0]); }
    function 
upload(file) {

        
/* Is the file an image? */
        
if (!file || !file.type.match(/image.*/)) return;

        
/* It is! */
        
document.body.className "uploading";

        
/* Lets build a FormData object*/
        
var fd = new FormData(); // I wrote about it: https://hacks.mozilla.org/2011/01/how-to-develop-a-html5-image-uploader/
        
fd.append("image"file); // Append the file
        
fd.append("key""your key"); // Get your own key http://api.imgur.com/
        
var xhr = new XMLHttpRequest(); // Create the XHR (Cross-Domain XHR FTW!!!) Thank you sooooo much imgur.com
        
xhr.open("POST""http://api.imgur.com/2/upload.json"); // Boooom!
        
xhr.onload = function() {
            var 
code '[img]' JSON.parse(xhr.responseText).upload.links.original '[/img]';
            var 
editor = eval('opener.' 'clickableEditor');
            
editor.performInsert(code);
            
javascript:window.close()
        }
        
// Ok, I don't handle the errors. An exercice for the reader.

        /* And now, we send the formdata */
        
xhr.send(fd);
    }
</
script>

<!-- 
Bla bla bla stuff ... -->

<
style>
    
body {text-aligncenterbackground-color#181817; overflow-x:hidden; overflow-y:auto;}
    
div background-colorrgb(434343); border-bottom4px solid rgb(686866); margin: -8px;}
    
{displaynone}
    .
uploading p {displayinline}
</
style>
<
br /><br />
<
p><img src="images/loader.gif" border="0" /></p

2.1 - Replace your key in the key file just created imgur.php (taken offline key above) 3 - Copy images in folder imgur.png loader.gif and images of MyBB 4 - Copy the image imgurbut.png JScripts / editor_themes / default / images / and jscripts/editor_themes/office2007/images / 5 - Open JScripts / editor.js 5.1 - Search:

3 - Copy and imgur.png loader.gif image in the images folder MyBB

4 - Copy the image imgurbut.png JScripts / editor_themes / default / images / and jscripts/editor_themes/office2007/images /

5 - Open JScripts / editor.js

5.1 - Search for:
PHP Code:
{type'button'name'img'sprite'image'insert'image'extra1titlethis.options.lang.title_image}, 

5.2 - Add the following:
PHP Code:
{type'button'name'imgur'insert'imgur'image'imgurbut.png'title'Upload to Imgur'}, 

5.3 - Find more:
PHP Code:
insertIMG: function()
    {
        
image prompt(this.options.lang.enter_image"http://");

        if(
image)
        {
            
this.performInsert("[img]"+image+"[/img]"""true);
        }
    }, 

5.4 - more below:
PHP Code:
insertImgur: function()
    {
        
MyBB.popupWindow('imgur.php''imgur'240200);
    }, 

5.5 - Find more:
PHP Code:
case "image":
                
this.insertIMG();
                break; 

5.6 - Add the following:
PHP Code:
case "imgur":
                
this.insertImgur();
                break; 
CEO GooKiLersz ™ ~ 2010 - Present - donate me!
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