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Monday, 25 May 2015

How can I upload file asynchronously in php?

How can I upload file asynchronously in php?

Following are simple 4 Steps to upload file asynchronously  in PHP.

Step #1
Add jQuery javascript file in your page - Need for Ajax call.


<script src="//code.jquery.com/jquery-1.11.3.min.js"></script>


Step #2
Add Following Html, where you want to show the button to upload the file.






Step #3:
Add following javascript code which is responsible for uploading the file.
URL: /folder/upload-file.php
Description: Here you need to write the send the request to server.
$( document ).ready(function() {
    $(':button').click(function(){
        var formData = new FormData($('form')[0]);
        $.ajax({
            url: '/folder/upload-file.php', //Location of upload file 
            type: 'POST',
            xhr: function() {  // Custom XMLHttpRequest
                var myXhr = $.ajaxSettings.xhr();
                return myXhr;
            },

            beforeSend: function(data){},
            success: function(data){},
            error: function(data){},        
            data: formData,        
            cache: false,
            contentType: false,
            processData: false
        });
    });
});


Step #4
Add Following code in "/folder/upload-file.php" which will upload the file in Server.
$targetFile="/path/to/upload/file";//Location of srver
if (move_uploaded_file($_FILES["file"]["tmp_name"], $targetFile)) {
        echo "success";
    } else {
        echo "failure";
    }





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