=== Drag and Drop Multiple File Upload - Contact Form 7 ===

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Contributors: glenwpcoder, yordansoares

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Donate link : http://codedropz.com/donation

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Tags: drag and drop, contact form 7, ajax uploader, multiple file, upload, contact form 7 uploader

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Requires at least: 3.0.1

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Tested up to: 6.2

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Stable tag: 1.3.6.9

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Requires PHP: 5.2.4

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License: GPLv2 or later

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License URI: https://www.gnu.org/licenses/gpl-2.0.html

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== Description ==

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The **"Drag and Drop Multiple File Uploader"** is a user-friendly WordPress plugin that functions as an extension for **Contact Form7**. With this plugin, users can effortlessly upload multiple files by either **dragging and dropping** them or by using the standard browse-file option found on your web form.

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Here's a little [DEMO](http://codedropz.com/contact).

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### Features

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* File Type Validation

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* File Size Validation

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* Ajax Uploader

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* Limit number of files Upload.

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* Limit files size for each field

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* Can specify custom file types or extension

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* Manage Text and Error message in admin settings

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* Drag & Drop or Browse File - Multiple Upload

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* Support Multiple Drag and Drop in One Form.

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* Able to delete uploaded file before being sent

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* Send files as **email attachment** or as a **links**. *(see note below)*

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* Support multiple languages

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* Mobile Responsive

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* Cool Progress Bar

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* Compatible with any browser

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**Note:** On the Free version, all uploaded files move to a temporary folder *(“/wp-content/uploads/wp_dndcf7_uploads”)*, then the file is attached to the email and sent. Afterward, the **“Drag & Drop File Upload”** plugin removes the file from the temporary folder **1 hour** after submission." *( same process with the default **"file"** upload of Contact Form 7 - [See here](https://contactform7.com/file-uploading-and-attachment/#How-your-uploaded-files-are-managed) )*

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### ⭐ Premium features

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Take a look at the features that are available on the **PRO version**.

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* Image Preview - Show Thumbnail for images

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* Adjust Auto Delete Files - After Form Submission

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- *(1 hour, 4 hours, 8 hours , days, months etc)*

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* Zip Files ( Compressed File )

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* Save Files to Wordpress Media Library

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* Change Wordpress Upload Directory

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* Change Upload Folder

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- Contact Form 7 - Fields

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- Generated Name - Timestamp

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- Random Folder

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- By User - Required Login

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- Custom Folder

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- Dynamic Folder - *user (name, id), post (id, slug), cf7 fields*

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* Send to email as individual attachment, ZIP archive or as a links

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* Chunks Upload *( Break large files into smaller Chunks )*

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- Able to upload large files.

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* Max Total Size *( of all Uploaded Files )*

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* Parallel/Sequential Upload *( No. of files to simultaneously upload )*

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* Change **Filename Pattern** ({filename}, {cf7-field-name}, {ip_address}, {random}, {post_id}, {post_slug}, etc.)

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* Automatically Optimize Images

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* **New** - Color Options (Filesize, ProgressBar, Filename etc)

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* **New** - Disable Button to Prevent Duplicate Submission

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* **New** - Image preview on email

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* **New** - File Remote Storage (Google Drive, Amazon S3, FTP, Dropbox)

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* Resize Image (ie: 800x800)

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* Improved Security

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* Optimized Code and Performance

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* 1 Month Premium Support

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**Pro version** is also compatible with:

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* Contact Form 7 Add-on – Arshid

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* Database for Contact Form 7- Ninja

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* Advanced Contact form 7 DB – Vsourz Digital

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You can get [PRO Version here](https://www.codedropz.com/purchase-plugin/)!

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### Other Plugin You May Like

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* [Drag & Drop Multiple File Upload - WPForms](https://www.codedropz.com/drag-drop-file-uploader-wpforms/)

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An extension for **WPForms** - Transform your simple file upload into beautiful **"Drag & Drop Multiple File Upload"**.

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* [Drag & Drop Multiple File Upload - WooCommerce](https://wordpress.org/plugins/drag-and-drop-multiple-file-upload-for-woocommerce/)

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An extension for **WooCommerce** - Transform your simple file upload into beautiful **"Drag & Drop Multiple File Upload"**.

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**PLUGIN GUIDE - FREE VERSION**

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[youtube https://www.youtube.com/watch?v=DvuvmzIImYo]

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== Frequently Asked Questions ==

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= How can I send feedback or get help with a bug? =

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For any bug reports go to <a href="https://wordpress.org/support/plugin/drag-and-drop-multiple-file-upload-contact-form-7">Support</a> page.

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= How can I limit file size? =

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To limit file size in `multiple file upload` field generator under Contact Form 7, there's a field `File size limit (bytes)`.

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You can also manually add limit parameter in existing [mfile] tag.

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Example: *[mfile upload-file-433 limit:20971520]* - This limit the user to upload upto 20MB only.

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Please take note it should be `Bytes` you may use any converter just Google (MB to Bytes converter) default of this plugin is 5MB(5242880 Bytes).

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= How can I limit the number of files in my Upload? =

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You can limit the number of files in your file upload by adding this parameter `max-file:3` to your shortcode :

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Example: *[mfile upload-file-344 max-file:3]* - this option will limit the user to upload only 3 files.

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= How can I Add or Limit file types =

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You can add or change file types in cf7 Form-tag Generator Options by adding `jpeg|png|jpg|gif` in `Acceptable file types field`.

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Example : *[mfile upload-file-433 filetypes:jpeg|png|jpg|gif]*

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= How can I change text in Drag and Drop Uploading area? =

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You can change text `Drag & Drop Files Here or Browse Files` text in Wordpress Admin menu under `Contact` > `Drag & Drop Upload`.

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= How can I change email attachment as links? =

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Go to WP Admin `Contact -> Drag & Drop Upload` settings then check "Send Attachment as links?" option.

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To manage mail template, go to Contact Forms edit specific form and Select `Mail` tab. In Message Body add generated code from mfile. ( Example Below )

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Message Body : [your-message]

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File Links 1 : [upload-file-754]

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File Links2 : [upload-file-755]

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Note : No need to add in `File Attachments` field.

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== Installation ==

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To install this plugin see below:

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1. Upload the plugin files to the `/wp-content/plugins/drag-and-drop-multiple-file-upload-contact-form-7.zip` directory, or install the plugin through the WordPress plugins screen directly.

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2. Activate the plugin through the 'Plugins' screen in WordPress

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3. Go to "Contact > Drag & Drop Upload" for the settings.

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4. See [Tutorial](https://www.youtube.com/watch?v=DvuvmzIImYo)

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== Screenshots ==

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1. Generate Upload Field - Admin

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2. Form Field Settings - Admin

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3. Uploader Settings - Admin

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4. Email Attachment- Gmail

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5. Email Attachment As links - Gmail

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6. Multiple Drag and Drop Fields - Front

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== Changelog ==

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= 1.3.6.9 =

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- Fixes - Quick fix ( Error: Call to a member function id() on null )

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= 1.3.6.8 =

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- Fixes - Added alternative solution for nonce

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= 1.3.6.7 =

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- Fixes - for Mime Type validation

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= 1.3.6.6 =

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- Fixes - Security Fix (CSRF)

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- Added - Added security nonce on ajax request for upload and delete

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= 1.3.6.5 =

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- Fixed - security issue ("Unauthenticated File upload Size limit bypass") thanks to Sanjay Das from "Payatu Security Consulting "

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- Added fixes so it should get the size limit on the cf7/admin settings instead of the post request.

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= 1.3.6.4 =

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- Tested on latest version of wordpress 6.0.

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- Added Compatibility on Contact Form 7 version 5.6.

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= 1.3.6.3 =

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- Fixed - Security issues (Cross-Site Scripting through SVG files via remote upload)

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- New - Filter `dnd_cf7_data_options` to manualy change the browse text and label text.

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= 1.3.6.2 =

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- Added - Add settings link in the plugin page

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- Fixed - Long text/heading is hidden on the container

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- Fixed - Min file validation

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- Bug - Removed "accept" data attributes in mobile devices

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= 1.3.6.1 =

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- Fixed - Unable to delete if errors will show

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- Added “span” & “div” on heading tag option

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- Add spam filtering fixes

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- Added “Disable Auto Delete” option.

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= 1.3.5.9 =

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- Add accept types data attributes [See Here](https://wordpress.org/support/topic/the-user-sees-only-a-certain-type-of-files/)

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= 1.3.5.8 =

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- Fixed German translation (https://wordpress.org/support/topic/german-translation-wrong/)

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- Fixes - Bug on file deletion (Reported here - https://wordpress.org/support/topic/deleting-files-not-yet-uploaded-is-breaking/)

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- Change delete icon instead of using an iconmoon.

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- Minor fixes & Improvement

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= 1.3.5.7 =

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- Bug - Fixed validation issue when "CF7 Conditional Fields" plugin is active.

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= 1.3.5.6 =

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- New - option to change upload heading tag from h1-h6

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- Change text-domain to actual plugin slug for plugin internationalization.

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- Fixed validation error message for multiple groups. (compatible with CF7 - Conditional Fields)

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= 1.3.5.5.1 =

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* Bug - Fixed Contact Form 7 error notice

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- PHP Deprecated: id property of a WPCF7_ContactForm object is no longer accessible.

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- Reported here - https://wordpress.org/support/topic/bug-notice-id-not-accessible

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= 1.3.5.5 =

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* Fixed - Vulnerability (Thanks to @Sysdream Labs team )

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- Removed "supported type" in POST request so other users cannot override through remote access.

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- The issue was, user able to bypass and upload ".phar & .phpt" file extension by modifying "suported type"

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- Those extensions are enabled by default on a fresh PHP/Apache2 installation.

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* Improved - Security (file types condition are based on specified in the admin)

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= 1.3.5.4 =

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* Added - Russian translation (Thanks to "Dan Uchvatoff ")

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* Fixed - File counter "of" not translatable.

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= 1.3.5.3 =

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* Fixed - PHP Fatal error on server not supporting mb_check_encoding.

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* Fixed - Fatal error: Uncaught Error: Call to a member function scan_form_tags()

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- When "Accept PayPal Payments using Contact Form 7" installed.

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= 1.3.5.2 =

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* Added - Improved sercurity ( Limit the user input to a file name and ignore injected path names )

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* Modified - Email links ( display only the filename )

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= 1.3.5.1 =

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* Bug - Quick Fix ( Unable to submit form when acceptance field is set )

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- Issue if "additional settings" section added this line: acceptance_as_validation: on

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= 1.3.5 =

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* Fixed - nonce issues when using Cache plugins.

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* Fixed - German Translation for ( Drag & Drop File Upload ) text.

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* Fixed - Submit button ( enable/disable ) when acceptance checkbox is added.

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* Modified - File Upload error message ( display error code )

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= 1.3.4 =

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* Fixed - Removed uploaded files when item Inbound Messages "Permanently Deleted".

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* Added - Counter of how many files are uploaded ( ie: 4 of 10 )

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* New - Features allow to set Minimum File Upload.

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- ie : minimum upload:2, max upload:10 = [mfile* upload-file-669 min-file:2 max-file:10]

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* New - Added .htaccess file inside "wp_dndcf7_uploads" upload directory. ( prevent from direct access )

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- Options: -Indexes \n <Files *.php> \n deny from all \n </Files>

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* Fixed - File Attachments bug ( Issues on additional mail when (file attachment) is removed still send the file )

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= 1.3.3.3.2 =

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* Bugs - Fixed unable to submit form ( 500 Internal Server Error in response )

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= 1.3.3.3.1 =

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* Fixes - Minor updates (packed the wrong file)

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= 1.3.3.3 =

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* Fixed - Security Issues ( Unrestricted File Upload to Remote Code Execution - Thanks to @Austin )

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- Able bypass and upload file (remotely) by renaming to ie: shell.php% and modified supported_type to `jpg|png|php%`

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- Solution : Added more security, check/validate file type and created new function 'dnd_cf7_validate_type' to determine if file name extension is valid or not.

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* New - Make 'deleting...' and 'remove' text translatable ( compatible using WPML String Translation ).

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= 1.3.3.2 =

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* Fixed - PHP warning reported [here](https://wordpress.org/support/topic/php-warning-count-parameter-must-be-an-array-2/)

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= 1.3.3.1 =

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* Improved Security - ( Check valid filename & extensions, sanitations, Secured File deletions )

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* New - Allowed non ASCII file name

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* Improved styling on Progress Bar

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* Fixed - Conflict with WooCommerce Geo Location

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= 1.3.3 =

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* SECURITY UPDATES ( issues reported by : Robert L Mathews )

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- The issues inside `dnd_codedropz_upload_delete` function, that will execute any POST remotely.

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* Fixed - To accept russian, hebrew Filename

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* Modify Javascript `dnd-upload-cf7.js` attach the function to window so it can be available to call.

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* Added - Responsive style for `Drag & Drop` text on mobile devices.

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* Minimum Features - Coming Soon

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= 1.3.2 =

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* Fixed - Sanitized Admin Option Fields - For Security Reason

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* Added - Filter for `wpcf7_posted_data` from CF7 to get the full link of the file.

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= 1.3.1 =

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* Fixed - Browser Compatibility ( Error Uploading files in Edge, Safari and Internet Explorer )

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* Improved - Removed error text if there are muliple error ( File upload validation )

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= 1.3.0 =

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* Fixed - Multiple Drag & Drop fields in one form ( Validation Issues - Max File not working correctly )

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* Added - Added "deleted..." status when removing file.

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- So that the user know that file deletion is in progress...

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* Fixed - Responsive issues on Mobile < 767px screen.

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* Added - Added '/wpcf7-files' directory inside '/wp_dndcf7_uploads' to temporary store files instead of relying contact form 7.

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* Added - Auto delete files inside '/wpcf7-files' dir 1 hour(3200 seconds) after submission.

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- It was a problem with contact form 7 before that files only last 60 seconds and it will automatically deleted.

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* Improved - Optimized and Improved Php Code & Javascript structure and functionalities. ( removed redundant code, removed spaces, etc )

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* Added - Links going to Pro Version.

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= 1.2.6.0 =

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* Fixed - Allow to upload file with the same filename.

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* Fixed - Can't upload image after deleting (https://wordpress.org/support/topic/cant-upload-image-after-deleting-it/)

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* Fixed - Max-file issue (https://wordpress.org/support/topic/max-file-issue/)

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* Added - a note message when file reached the max-file Limit ( "To inform user that some of the files are not uploaded" ).

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* Added - Better Ajax deletion ( Remove files from the server - Only if `Send As Attachment` is checked )

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* Optimized - Form send loading time has been optimized ( Improved loading time for large attachment )

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* Fixed - Bug reported by @palychwp " `remove file still send sends with the form` (https://wordpress.org/support/topic/file-uploading-is-working-incorrect/)

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* Added - Validate File/Attachment first before the upload start ("some says it's frustating :)")

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- (PHP or Server side validation still there for security and better validation)

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* Improved file counting via `LocalStorage` instead of Global variable.

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= 1.2.5.0 =

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* Fixed - Please Update to 1.2.5.0 to fixed disable button issue.

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= 1.2.5 =

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* Fixed - Improved ( Disable button while upload is on progress )

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* Fixes - Validate file size limit before uploading the file ( https://wordpress.org/support/topic/file-uploading-is-working-incorrect/ )

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= 1.2.4 =

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* Added - Support WPML using .po and .mo files

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* Added - Added to support multilingual ( using Poedit )

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* Fixed - Prevent attachment from sending to Mail(2) if field attachment is not set. (https://wordpress.org/support/topic/problem-with-2th-mail-attachment-2/)

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* Added - Disable 'submit' button while upload is on progress...

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= 1.2.3 =

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* Added - Multiple Drag and Drop fields in a form

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* Added - Options in admin for error message

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* Added - Option that allow user to send attachment as links

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* Added - Added new folder name `wp_dndcf7_uploads` to separate files from wpcf7_uploads ( When option 'Send Attachment as links?' is check ).

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= 1.2.2 =

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* Add - Create admin settings where you can manage or change text in your uploading area. It's under 'contacts' > 'Drag and Drop'.

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* New - Empty or Clear attachment file when Contact Form successfully send.

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* Fixes - Fixed remove item bugs when file is greater than file limit.

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* Fixes - Changed 'icon-moon' fonts to avoid conflict with the other themes.

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* New - Added text domain for language translations.

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= 1.2.2 =

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* Issue - fixed bug when file is not required(*).

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* Issue - fixed error on 'wpcf7_mail_components' components hooks when there's no file.

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= 1.2.1 =

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* Issue - fixed bug when file is not required(*).

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* Issue - fixed error on 'wpcf7_mail_components' components hooks when there's no file.

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= 1.2 =

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- Add admin option to limit the number of files. (Maximum File Upload Limit)

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= 1.1 =

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- This version fixes on user drop validation.

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- Optimized Javascript File

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= 1.0 =

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* Initial Release

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== Upgrade Notice ==

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= 1.2.3 =

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This version fixed minor issues/bugs and add multiple drag and drop fields in a form.

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= 1.2.1 =

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This version fixed minor issues and bugs.

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= 1.2.2 =

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Added some useful features.

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= 1.2.4 =

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Added new features and fixes.

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== Donations ==

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Would you like to support the advancement of this plugin? [Donate](http://codedropz.com/donation)

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