About Me

My photo

I am Ram, a Web Designer and Developer.   More than 4  years of experience in software development. Created complex back-end management systems including content management, e-commerce, customer relations and communication interfaces. The projects based on PHP in conjunction. PHP, SQL, JavaScript, AJAX, XHTML, CSS (Responsive), I help people make beautiful websites, functional applications and seamless user experiences.

Thursday, 13 April 2017

Upload Multiple Images Without Form Action Using PHP and jQuery

Click Here to Demo/Download



Index.php

<!DOCTYPE html>
<html>
    <head>
        <title>Upload Multiple Images Using jquery and PHP</title>
        <!-------Including jQuery from google------>
        <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
        <script src="script.js"></script>
       
        <!-------Including CSS File------>
        <link rel="stylesheet" type="text/css" href="style.css">
    <body>
        <div id="maindiv">

            <div id="formdiv">
                <h2>Multiple Image Upload Form</h2>
                <form enctype="multipart/form-data" action="" method="post">
                    First Field is Compulsory. Only JPEG,PNG,JPG Type Image Uploaded. Image Size Should Be Less Than 100KB.
                    <hr/>
                    <div id="filediv"><input name="file[]" type="file" id="file"/></div><br/>
          
                    <input type="button" id="add_more" class="upload" value="Add More Files"/>
                    <input type="submit" value="Upload File" name="submit" id="upload" class="upload"/>
                </form>
                <br/>
                <br/>
                <!-------Including PHP Script here------>
                <?php include "upload.php"; ?>
            </div>
          
           <!-- Right side div -->
            
            </div>
        </div>
    </body>
</html>

Upload.php


<?php
if (isset($_POST['submit'])) {
    $j = 0; //Variable for indexing uploaded image
   
    $target_path = "uploads/"; //Declaring Path for uploaded images
    for ($i = 0; $i < count($_FILES['file']['name']); $i++) {//loop to get individual element from the array

        $validextensions = array("jpeg", "jpg", "png");  //Extensions which are allowed
        $ext = explode('.', basename($_FILES['file']['name'][$i]));//explode file name from dot(.)
        $file_extension = end($ext); //store extensions in the variable
       
        $target_path = $target_path . md5(uniqid()) . "." . $ext[count($ext) - 1];//set the target path with a new name of image
        $j = $j + 1;//increment the number of uploaded images according to the files in array      
     
      if (($_FILES["file"]["size"][$i] < 100000) //Approx. 100kb files can be uploaded.
                && in_array($file_extension, $validextensions)) {
            if (move_uploaded_file($_FILES['file']['tmp_name'][$i], $target_path)) {//if file moved to uploads folder
                echo $j. ').<span id="noerror">Image uploaded successfully!.</span><br/><br/>';
            } else {//if file was not moved.
                echo $j. ').<span id="error">please try again!.</span><br/><br/>';
            }
        } else {//if file size and file type was incorrect.
            echo $j. ').<span id="error">***Invalid file Size or Type***</span><br/><br/>';
        }
    }
}
?>


Script.js


var abc = 0; //Declaring and defining global increement variable

$(document).ready(function() {

//To add new input file field dynamically, on click of "Add More Files" button below function will be executed
    $('#add_more').click(function() {
        $(this).before($("<div/>", {id: 'filediv'}).fadeIn('slow').append(
                $("<input/>", {name: 'file[]', type: 'file', id: 'file'}),       
                $("<br/><br/>")
                ));
    });

//following function will executes on change event of file input to select different file   
$('body').on('change', '#file', function(){
            if (this.files && this.files[0]) {
                 abc += 1; //increementing global variable by 1
               
                var z = abc - 1;
                var x = $(this).parent().find('#previewimg' + z).remove();
                $(this).before("<div id='abcd"+ abc +"' class='abcd'><img id='previewimg" + abc + "' src=''/></div>");
              
                var reader = new FileReader();
                reader.onload = imageIsLoaded;
                reader.readAsDataURL(this.files[0]);
              
                $(this).hide();
                $("#abcd"+ abc).append($("<img/>", {id: 'img', src: 'x.png', alt: 'delete'}).click(function() {
                $(this).parent().parent().remove();
                }));
            }
        });

//To preview image    
    function imageIsLoaded(e) {
        $('#previewimg' + abc).attr('src', e.target.result);
    };

    $('#upload').click(function(e) {
        var name = $(":file").val();
        if (!name)
        {
            alert("First Image Must Be Selected");
            e.preventDefault();
        }
    });
});

Download

No comments:

Post a Comment