=== ConvertKit ===
Contributors: nathanbarry, growdev, travisnorthcutt, ggwicz
Donate link: https://convertkit.com
Tags: email, marketing, newsletter, convertkit
Requires at least: 5.0
Tested up to: 6.0
Requires PHP: 5.6.20
Stable tag: trunk
License: GPLv2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html

ConvertKit is an email marketing platform for capturing leads from your WordPress blog.

== Description ==

[ConvertKit](https://convertkit.com) makes it easy to capture more leads, sell more products and send targeted email marketing by easily embedding email capture forms anywhere on your WordPress web site.

= Main Features =

- Design [subscription forms](https://convertkit.com/features/forms) in ConvertKit, automatically appending them to any WordPress post or page, or displaying forms within your WordPress content using the supplied Gutenberg block and shortcode options 
- Build [landing pages](https://convertkit.com/features/landing-pages) in ConvertKit, and display them on a WordPress page
- List past [email broadcasts](https://convertkit.com/features/email-marketing) on your WordPress site

= Forms =

Design [forms](https://convertkit.com/features/forms) in ConvertKit, choosing from a variety of designs, customisable to your branding.

Sign up forms can be configured to:
- Send free content, such as a PDF
- Display when the user is about to leave the page
- Subscribe to an email newsletter, with powerful tagging and segmentation options

Embedding ConvertKit forms on your WordPress web site with the ConvertKit Plugin is quick and simple:

- Choose a default form to be displayed below each individual Post Type (Pages, Posts and other public Post Types, such as WooCommerce Products)
- Choose a specific form to be dispalyed below a specific Page, Post or custom post type
- Turn off form embedding at both site wide and/or individual Page/Post level

For greater control, ConvertKit forms can be displayed in specific sections of your WordPress site's content, sidebars and footers by:

- Using the ConvertKit Forms block in Gutenberg
- Using the `[convertkit]` shortcode in the Classic Editor

= Landing Pages =

Embed [landing pages](https://convertkit.com/features/landing-pages) designed in ConvertKit on your WordPress web site, choosing from a variety of designs, customisable to your branding.

Create or edit a WordPress Page, choose the ConvertKit landing page from the ConvertKit meta box settings to display, and you're set.

= Broadcasts =

Use ConvertKit's [email marketing](https://convertkit.com/features/email-marketing) feature to send newsletters to subscribers and leads.

Embed existing email marketing newsletters on your WordPress web site, ensuring visitors never miss newsletter content, by:

- Using the ConvertKit Broadcasts block in Gutenberg
- Using the `[convertkit_broadcasts]` shortcode in the Classic Editor

= Plugin Integrations =

With the ConvertKit for WordPress Plugin, you also get:

- Elementor: Form and Broadcast widgets natively integrated with Elementor, to embed ConvertKit forms and broadcast lists
- Contact Form 7: Send Contact Form 7 form submissions to ConvertKit
- WishList Member: Subscribe, unsubscribe and tag users based on their membership level

Our other WordPress Plugins provide further integrations between WordPress Plugins and ConvertKit:

- [ConvertKit for WooCommerce](https://wordpress.org/plugins/convertkit-for-woocommerce/): Subscribe, tag and assign sequences to customers at checkout, and send order data to ConvertKit
- [ConvertKit for Gravity Forms](https://wordpress.org/plugins/convertkit-gravity-forms/): Send Gravity Form submissions to ConvertKit

= Documentation =

Full Plugin documentation can be found [here](https://help.convertkit.com/en/articles/2502591-the-convertkit-wordpress-plugin).

== Installation ==

1. Upload the `convertkit` folder to the `/wp-content/plugins/` directory
2. Active the ConvertKit plugin through the 'Plugins' menu in WordPress

== Configuration ==

1. Configure the plugin by navigating to Settings > ConvertKit in the WordPress Administration Menu, entering your [API Key](https://app.convertkit.com/account_settings/advanced_settings) and defining the default forms to display on Pages, Posts and/or Custom Post Types
2. (Optional) choose a specific Form to display when editing a Page, Post or Custom Post Type in the Page/Post/Custom Post Type's ConvertKit settings
3. (Optional) use the ConvertKit Form Shortcode or Block to insert Forms into your Page, Post or Custom Post Type content

== Frequently asked questions ==

= Does this plugin require a paid service? =

No. You must first have an account on ConvertKit.com, but you do not have to use a paid plan!

= How do I refresh my available Forms, Landing Pages and Tags? =

Navigate to the Plugin's Settings at Settings > ConvertKit.

= Where can I find the Plugin's Documentation? =

Full Plugin documentation can be found [here](https://help.convertkit.com/en/articles/2502591-the-convertkit-wordpress-plugin).

== Screenshots ==

1. Create and customize stunning forms and landing pages in ConvertKit
2. Manage the WordPress plugin from a simple settings page in the WordPress admin
3. Append ConvertKit forms to Pages, Posts or other custom post types
4. Configure a specific ConvertKit form to display on a specific Page or Post
5. Configure a ConvertKit landing page to be used in place of a WordPress Page
6. Set up form and landing page automations in ConvertKit
7. Track subscriber growth

== Changelog ==

### 1.9.7.6 2022-06-01
* Added: ConvertKit Broadcasts Block when editing Widgets using the block editor in WordPress 5.8+
* Added: ConvertKit Form Block when editing Widgets using the block editor in WordPress 5.8+
* Fix: ConvertKit Broadcasts Block/Shortcode: Fetch all Broadcasts from ConvertKit, not just the first 50
* Fix: Settings: Added label element for setting field names

### 1.9.7.5 2022-05-12
* Fix: PHP Warning: Cannot modify header information, caused by QuickTags modal template output
* Fix: Text Editor: Quicktag Buttons: Block could not be found error when using a Quicktag

### 1.9.7.4 2022-05-04
* Added: ConvertKit Broadcasts Block, to output a list of ConvertKit broadcasts
* Added: ConvertKit Broadcasts Shortcode [convertkit_broadcasts], to output a list of ConvertKit broadcasts
* Added: Settings: Tools: Import and Export configuration
* Fix: Page/Post: If a specific Form is selected that no longer exists in ConvertKit, fallback to the Default Form setting

### 1.9.7.3 2022-04-04
* Added: Elementor Page Builder: ConvertKit Form Widget
* Fix: Default Form would not display on Posts assigned to Categories, where Categories were created prior to 1.9.6.0 and site uses PHP 8.0 or greater
* Fix: Categories: Improved wording of Form setting on per-Category level

### 1.9.7.2 2022-03-30
* Fix: Default Form would not display on Posts due to regression in 1.9.7.1

### 1.9.7.1 2022-03-23
* Fix: Default Form would not display on Posts due to regression in 1.9.7.0

### 1.9.7.0 2022-03-17
* Fix: ConvertKit Form Block: Order Form names alphabetically
* Fix: Prevent Select2 styling from applying to non-Plugin elements

### 1.9.6.9 2022-03-07
* Added: ConvertKit Form Block: When editing, display the Form Name if a non-inline form has been selected, as non-inline forms cannot be previewed in the editor
* Fix: Include email address in API request when attempting to fetch subscriber ID by email when ConvertKit Form is submitted with no email address

### 1.9.6.8 2022-02-18
* Fix: Performance: Don't query API to fetch subscriber ID by email when ConvertKit Form is submitted with no email address

### 1.9.6.7 2022-02-14
* Fix: Localization: Corrected path to load language files

### 1.9.6.6 2022-01-27
* Fix: Plugin Activation: Parse error when using PHP 7.2 or below due to trailing comma in sprintf() call

### 1.9.6.5 2022-01-26
* Added: ConvertKit Form Block for Gutenberg
* Added: Select2 dropdown for Forms, Landing Pages and Tags with search functionality for improved UX.
* Fix: Legacy Forms: Removed erronous <html>, <head> and <body> tags from markup 

### 1.9.6.4 2022-01-11
* Fix: Render Legacy Form when shortcode is copied from app.convertkit.com for a Legacy Form
* Fix: Don't check for Landing Page when viewing any non-Page public Post Type which doesn't support Landing Pages
* Fix: PHP Notice: Undefined index landing_page when upgrading from 1.4.6 or earlier
* Fix: PHP Notice: Undefined index tag when upgrading from 1.4.6 or earlier

### 1.9.6.3 2021-12-23
* Fix: Render Legacy Landing Pages

### 1.9.6.2 2021-12-22
* Fix: Render Form Shortcode when a new ConvertKit Form ID specified that does not yet exist in Plugin's cached Form Resources

### 1.9.6.1 2021-12-16
* Fix: Character encoding issue on Landing Pages
* Fix: Removed unused .scripts directory and .MD files

### 1.9.6 2021-12-15
* Added: ConvertKit Form Shortcode Button for Classic Editor
* Added: Text Editor: Quicktag Buttons for inserting ConvertKit Forms and Custom Content
* Added: Settings: ConvertKit: Logo and branding header
* Added: Option to specify ConvertKit API Key and Secret as constants `CONVERTKIT_API_KEY` and `CONVERTKIT_API_SECRET` in wp-config.php
* Added: Settings: ConvertKit: General: Different Default Forms can be specified for Pages and Posts
* Added: Settings: ConvertKit: General: Enabling Debug option will also output data to browser console and inline HTML comments
* Added: Settings: ConvertKit: Tools: Option to Download Log to text file
* Added: Settings: ConvertKit: Tools: Option to Download System Info to text file
* Added: PHP 8.x compatibility
* Added: Developers: Action and filter hooks.  See https://github.com/ConvertKit/convertkit-wordpress/blob/1.9.6/ACTIONS-FILTERS.md
* Fix: PHP warnings on new installations when adding/editing Pages or Posts where the plugin was not yet configured
* Fix: PHP 8.x: PHP Deprecated warnings where required parameters wrongly followed optional parameters
* Fix: gzinflate() data error
* Fix: Deprecated edit_category_form_fields warning
* Fix: Integration: WishList Member: Unsubscribe Action 'Unsubscribe from all' now honored when selected and saved
* Fix: Ensure code meets WordPress Coding Standards
* Fix: Use WP_Filesystem instead of PHP functions to read/write log file, per WordPress Coding Standards

### 1.9.5.2 2021-07-28
* Fix: Fixed an issue where the ConvertKit shortcode would not function properly.

### 1.9.5.1 2021-07-27
* Fix: Updated GitHub zip URL for build.

### 1.9.5 2021-07-21
* Fix: Changed how API responses are logged.
* Fix: Reduced Debug output to improve performance.

### 1.9.4 2021-02-22
* New: Increase minimum supported WordPress version to 4.9 and maximum supported WordPress version to 5.6.2
* Fix: Restore original plugin file name (`wp-convertkit.php`), which reverts the breaking file name change (`plugin.php`) released in 1.9.3
* Fix: Fixed inconsistent refreshing of forms in the ConvertKit forms dropdown
* Fix: Fixed occasional "undefined variable" notices regarding the API key and API secret
* Tweak: Add ConvertKit plugin information to useragent of plugin API requests

### 1.9.3 2020-11-11
* New: Increase minimum supported WordPress version to 4.8 and maximum supported WordPress version to 5.5.3
* Fix: Fix occasional "undefined variable" notice when viewing ConvertKit forms dropdown
* Fix: Only log transients from `get_form()` method when debugging is enabled
* Tweak: Remove `sslverify => false` argument from main ConvertKit API call

### 1.9.2 2019-12-20
* Fix issue that prevented Google fonts from loading on landing pages
* Fix issue that resulted in multiple failed API calls for non-existent subscribers passed in via query parameter

### 1.9.1 2019-12-20
* Fix bug that prevented "refresh forms" button on settings page from working

### 1.9.0 2019-12-17
* Allow appending forms to WooCommerce products
* Fix bug that prevented setting "none" for form on a post from overriding category setting
* Add account name to settings page

### 1.8.1 2019-05-30
* Fix bug that could result in fatal error with certain other plugins active
* Add additional server debug info for tech support

### 1.8.0 2019-05-30
* Displays tags/LPs/forms alphabetically
* Several edge-case bug fixes
* Removes confusing utf8 warning on settings page

### 1.7.5 2019-04-30
* Fix false positive detection of character set issues related to using emojis in forms & landing pages
* Don't show error on tools tab on first visit with logging turned on
* Fix code conflict with some other plugins that resulted in PHP warnings being displayed

### 1.7.4 2019-03-27
* Fixed problem with a library that was only compatible with PHP 7+

### 1.7.3 2019-03-26
* Adds checks and notices for outdated character set (utf8 vs. utf8mb4) use
* Add notice to metabox on blog archive page that our plugin does not do anything on this page
* Update library to make plugin work with PHP 7.3 (previously, landing pages did not work)
* Fix issue where global default form would never show for some categories
* Fix include path for system status box on tools tab

### 1.7.2 2019-02-18
* Fix bug that caused fatal error on upgrade

### 1.7.1 2019-02-18
* Fix bug that caused fatal error on upgrade

### 1.7.0 2019-02-18
* New: Significantly improve performance of plugin by only attempting to tag visitors if needed (not on every page)
* New: Add option to disable javascript entirely (prevents tagging and custom content features from working)
* Fix conflict with Yoast SEO plugin
* Fix bug that prevented plugin from working with PHP 7.3
* Fix bug that prevented changing a category default form back to None
* Clarify that both API key and secret are required
* Fix bug that stripped out URL query parameters unrelated to ConvertKit
* Better handle refreshing list of forms in the connected ConvertKit account

### 1.6.4 2019-01-18
* Added tools tab with debug log and system info boxes
* Fixed a bug that would show a PHP notice in some cases
* Fixed two bugs that would sometimes result in the custom content feature failing
* Fixed a bug that would sometimes cause WishList Member integration settings to not save


### 1.6.3 2019-01-07
* Fixes issues with Contact Form 7 integration not saving form settings.
* Adds button to refresh on settings page, to fetch new forms added to the connected ConvertKit account.

### 1.6.2 2018-07-12
* Fix for this message when Landing Page is set to None: PHP Notice:  Undefined offset: 0
* Fix for new form builder being used in shortcode with "form" attribute instead of "id"

### 1.6.1 2018-07-03
* Fix for landing pages not showing in the admin area drop down
* Fix for showing new landing pages on the front end of the site
* Added jquery to landing pages as new landing page builder does not include it

### 1.6.0 2018-06-30
* Add support for new form builder
* Remove unnecessary API calls
* Store form/landing page/tag data in WP Options
* Add update routine for refreshing local convertkit data

### 1.5.5 2018-06-01
* Fix for error in javascript added to landing pages.
* Fix for applying tags based on page views on initial visit. This adds an ajax call
to each visit which some customers expressed concern about. We will add a way to remove this in an upcoming version.

### 1.5.4 2018-05-19
* Fix for adding ck_subscriber_id to cookie

### 1.5.3 2018-03-08
* Added a default form setting for post categories
* Clean up logging
* Remove admin ajax calls from each page load
* Remove api calls from the dashboard list posts page
* Add dependency to javascript enqueue to fix javascript error on landing pages

### 1.5.2 2017-11-30
* Fixed plugin settings link
* Added javascript subscriber tagging to landing pages

### 1.5.1 2017-10-31
* Fixed encoding of javascript.
* Fixed localization of data.
* Removing console.log from js.

### 1.5.0 2017-10-13
* Added saving subscriber_id after visitor fills out ConvertKit form
* Added saving subscriber_id when visitor lands on site from ConvertKit email link
* Added "Add a tag" to Posts/Page metabox
* Added convertkit_content shortcode to show content to subscribers who have a tag

### 1.4.10 2017-10-04
* Removed transient for API calls.
* Changed widget to use option setting instead of making API call.
* Reduced number of API calls while the site is being browsed.
* Updated contributors

### 1.4.9 2017-07-24
* Fix _get_meta_defaults() because Posts and Pages set to Default were not showing forms.
* Updated ConvertKit_API::_get_api_response() to inflate response body if necessary.

### 1.4.8 2017-07-13
* Fixed API response not getting unzipped
* Added check for multibyte string PHP extension
* Fixed CF7 mapping not showing all forms
* Changed log file to write locally instead of using WP_Filesystem

### 1.4.7 2017-06-01
* Code refactor with WordPress Code Standards
* Added ability to tag a customer when WishList Member membership lapses
* Added WishList Member tag a customer
* Removed curl and replaced with wp_remote_request

### 1.4.6 2017-03-29
* Fix for landing pages not appearing.
* Added code to API to not return status_code 404 content

### 1.4.5 2017-03-28
* Uncommented logging around api calls.
* Do not show 404 page content when shortcode is used with form ID that does not exist
* If ConvertKit API is unavailable fail gracefully
* Fix for Contact Form 7 message sending when no ConvertKit forms are mapped
* Removed archived forms from the list of available forms in settings page

### 1.4.4
* Added i18n support
* Added Contact Form 7 integration. Site admins can now map CF7 name and email fields to CK subscription.
* Verified functionality with latest version of WishlistMember

### 1.4.3

* Add WP widget for form
* Updates form version to v6
* Add logger to help troubleshoot issues
* Add link to CK account if no forms available
* Add notice if can't connect to API

### 1.4.2

* Fixed issue with WishlistMember integration where members were not being subscribed.

### 1.4.1

* Add upgrade routine to change ID to form_id for API version 3.0

### 1.4.0

* Update ConvertKit API to version 3.0

### 1.3.9

* Fix WishList Member email sent to CK API when shopping cart used.

### 1.3.8

* Fix crash when API response is slow

### 1.3.7

* Avoid calling API endpoints when no forms need to be shown

### 1.3.6

* Fixes issue with illegal offset showing warning message

### 1.3.5

* Fix bug showing warning messages for some users

### 1.3.4

* Fix bug showing error messages for some users

### 1.3.3

* Updated for compatibility with WordPress 4.3

### 1.3.2

* Another fix for a pesky bug causing syntax errors

### 1.3.1

* Fixes a bug causing syntax error when getting options

### 1.3.0

* Added WishList Member integration
* Updated API methods

### 1.2.1

* Fixed a warning that appeared sometimes when no forms were loaded.

### 1.2.0

* Updated to use responsive forms

### 1.0.0

* Initial release

== Upgrade notice ==