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    <p>that extension is outdated and poorly supported. I use this extension instead: <a href="http://www.yiiframework.com/extension/eajaxupload" rel="nofollow">eajaxupload</a>.</p> <p>As you can see on that page the usage is extremely simple. Upload it to your extensions dir and install it with these few lines of code</p> <p>First you put the following code in your controller action:</p> <pre><code>public function actionUpload() { Yii::import("ext.EAjaxUpload.qqFileUploader"); $folder='upload/';// folder for uploaded files $allowedExtensions = array("jpg");//array("jpg","jpeg","gif","exe","mov" and etc... $sizeLimit = 10 * 1024 * 1024;// maximum file size in bytes $uploader = new qqFileUploader($allowedExtensions, $sizeLimit); $result = $uploader-&gt;handleUpload($folder); $result=htmlspecialchars(json_encode($result), ENT_NOQUOTES); $fileSize=filesize($folder.$result['filename']);//GETTING FILE SIZE $fileName=$result['filename'];//GETTING FILE NAME echo $result;// it's array } </code></pre> <p>After that go to the associated view file for that action and use this code to generate the upload form:</p> <pre><code>&lt;? $this-&gt;widget('ext.EAjaxUpload.EAjaxUpload', array( 'id'=&gt;'uploadFile', 'config'=&gt;array( 'action'=&gt;'/controller/upload', 'allowedExtensions'=&gt;array("jpg");//array("jpg","jpeg","gif","exe","mov" and etc... 'sizeLimit'=&gt;10*1024*1024,// maximum file size in bytes 'minSizeLimit'=&gt;10*1024*1024,// minimum file size in bytes //'onComplete'=&gt;"js:function(id, fileName, responseJSON){ alert(fileName); }", //'messages'=&gt;array( // 'typeError'=&gt;"{file} has invalid extension. Only {extensions} are allowed.", // 'sizeError'=&gt;"{file} is too large, maximum file size is {sizeLimit}.", // 'minSizeError'=&gt;"{file} is too small, minimum file size is {minSizeLimit}.", // 'emptyError'=&gt;"{file} is empty, please select files again without it.", // 'onLeave'=&gt;"The files are being uploaded, if you leave now the upload will be cancelled." // ), //'showMessage'=&gt;"js:function(message){ alert(message); }" ) )); ?&gt; </code></pre> <p>Extremely easy to get working. Give it a go!</p>
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    1. COdoes it change name of file after upload
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    2. CONo, if you want to do that simply rename the file at the end of the controller function: `rename($folder.$result['filename'],$folder."newfilename");`
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