• Full plugin architecture rewrite — Restructured entire codebase with PSR-4 autoloading via Composer (vendor/autoload.php, vendor/composer/).

• New main plugin class (class-Emsfb.php) — Centralized orchestration with lazy loading of integrations and conditional addon file inclusion.

• Version constants updated — EMSFB_PLUGIN_VERSION set to 4.0.0, EMSFB_DB_VERSION set to 1.1.

• Dev/Production mode system — Added EMSFB_DEV_MODE constant with option emsfb_dev_mode (values: 0/1/2). Switches server URL between demo.whitestudio.team (dev) and whitestudio.team (production). Auto-corrects on first plugin load.

• Server host caching — Added filter emsfb_get_server_host for overriding server host detection.

• New file structure — Separated vendor addons into vendor/ directory; admin code into includes/admin/; integrations into includes/integrations/; page builders into includes/page-builders/.

• New class-Emsfb-widgets-helper.php — Singleton pattern for form caching and page builder form retrieval with transient-based cache (emsfb_forms_list, 1-hour TTL). Invalidates cache on save_post and deleted_post.

• New class-email-handler.php — Dedicated email handler class with HTML email support, multi-source IP detection (HTTP_CLIENT_IP, X_FORWARDED_FOR, REMOTE_ADDR), OS detection (Windows, macOS, Linux, Android, iOS), and browser detection (Firefox, Chrome, Edge, Brave).

• New class-Emsfb-requirement.php — Email server capability validation: checks mail(), wp_mail(), disabled functions, SMTP/sendmail configuration, and test email delivery. Stores result in option emsfb_email_status with states: ok, warning, error.

• New class-Emsfb-webhook.php — Webhook endpoint system with REST route GET /Emsfb/v1/test/{name}/{id}.

• New database schema with 5 core tables (all utf8mb4_unicode_ci for full multilingual support):

• IPv6 support — IP fields support 45-character addresses for full IPv4/IPv6 compatibility.

• User agent tracking — OS and browser detection stored per submission for analytics.

• Confirmation code (tracking code) — Unique tc field on status table for per-submission identification.

• Unified payment table ({prefix}_emsfb_pay_) — Shared table for Stripe and PayPal: transaction_id, subscription_id, product_id, plan_id, payment status (pending, completed, failed, refunded), capture_id for refunds, payer email/name, IP, metadata.

• Telegram activity log table ({prefix}_emsfb_telegram_sent_list) — Stores Telegram notification history.

• Initial settings structure:

{
  "activeCode": "",
  "siteKey": "",
  "secretKey": "",
  "emailSupporter": "[email protected]",
  "apiKeyMap": "",
  "smtp": false,
  "bootstrap": false,
  "emailTemp": "",
  "email_key": "[random 10-char key]"
}

• New REST API namespace Emsfb/v1 with the following endpoints:

• CORS origin validation — Added filter efb_allowed_cors_origins for whitelisting allowed origins.

• Nonce permission checks on all REST endpoints.

• Shield Security silentCAPTCHA integration (class-Emsfb-shield-silentcaptcha.php) — IP-based invisible bot detection using WP Shield's test_ip_is_bot(). Per-form enable/disable via shield_silent_captcha field. Filters: efb_admin_localize_vars, efb_submit_bot_decision.

• Google reCAPTCHA v2 — Maintained and improved.

• Permission capability system — New capabilities: Emsfb, Emsfb_create, Emsfb_panel, Emsfb_addon, Emsfb_sms_efb (conditional).

• Server & client-side validation — Comprehensive input validation on form submission.

• File access validation — Post-activation checks via scheduled event emsfb_check_file_access_after_activation.

• IP-based tracking — Full IP logging with IPv6 support for security auditing.

• Elementor Widget (class-Emsfb-elementor-widget.php, class-Emsfb-elementor.php) — Full Elementor integration with singleton pattern. Custom widget category "Easy Form Builder". Minimum Elementor version 3.0.0. Editor-specific styles.

• Gutenberg Block (block.json, class-Emsfb-gutenberg-block.php, editor.js, editor.css) — Native WordPress block editor integration using Block API v3. REST route /efb/v1/forms for form retrieval. Supports wide and full alignment. Keywords: form, contact, easy form builder, efb, survey, questionnaire.

• WPBakery Integration (class-Emsfb-wpbakery.php) — Element registration with vc_map(). Custom category, form selection parameter, editor asset enqueuing.

• Visual Composer (VCV) Integration (class-Emsfb-visual-composer.php) — Shortcode-based rendering with [efb_vc_form]. VCV API element registration with localization support.

• Stripe Integration (class-Emsfb-stripe-payment.php, routes-efb.php, stripe-php/) — Full Stripe payment processing with one-time and subscription payments. ◦ AJAX endpoints: efb_stripe_get_payments, efb_stripe_get_payment_detail, efb_stripe_refund_payment, efb_stripe_cancel_subscription. ◦ Payment management dashboard in admin.

• PayPal Integration (class-Emsfb-paypal-handler.php, class-Emsfb-paypal-payment.php, class-Emsfb-paypal.php, routes-efb.php) — Full PayPal payment processing with one-time and subscription support. ◦ Subscription management: suspend, reactivate, cancel. ◦ Refund processing. ◦ AJAX endpoints: efb_paypal_get_payments, efb_paypal_get_payment_detail, efb_paypal_refund_payment, efb_paypal_cancel_subscription, efb_paypal_suspend_subscription, efb_paypal_reactivate_subscription, efb_paypal_get_subscription_detail.

• Unified payment table — Both Stripe and PayPal share {prefix}_emsfb_pay_ table. Hook: efb_register_payment_rest_routes.

• Telegram Bot Notifications (class-Emsfb-telegram.php, telegram-new-efb.php) — Real-time form submission alerts to Telegram. ◦ Classes: telegramlistefb (admin panel), telegramsendefb (sending).

• AJAX Actions: test_telegram_connection_efb, send_telegram_test_efb, save_telegram_settings_efb, load_telegram_activity_efb, clear_telegram_activity_efb.

• Admin menu: Easy Form Builder > Telegram with onboarding guide (onboarding.html, guide.html).

• Configuration stored in option Emsfb_telegram_efb.

• Add-on Manager (class-Emsfb-addon.php) — Dynamic addon loading from remote server (whitestudio.team). Dev/production mode switching. Installation status checking with file permission validation and error code reporting.

• Auto-Populate Dataset (vendor/autofill/) — Classes: autofillefb, Emsfb\autofill_api. Dataset management for form field auto-filling. AJAX: handle_dataset_autofilled_efb. REST: POST /Emsfb/v1/autofill/get. Config: Emsfb_autofill_efb.

• SMS Notifications (vendor/smssended/) — Class: smslistefb. SMS alerts on form submission via WSMS plugin. Pro version gating with render_pro_gate_efb(). Config: Emsfb_sms_efb.

• Offline Forms (vendor/offline/) — JSON-based local/offline data collection capability.

• Date Picker Addons — Hijri/Qamari (vendor/arabicdatepicker/), Jalali/Shamsi (vendor/persiadatepicker/).

• Persia Pay (vendor/persiapay/) — Zarinpal payment gateway integration for Iranian users.

• Bootstrap 5 grid system — Full Bootstrap 5 CSS variables integration with responsive design (col-sm-12).

• 40+ form field types — Text, email, password, tel, url, datetime-local, number, range, color, date, firstName, lastName, postalcode, address_line, switches, file upload, signature, location picker (OpenStreetMap), country/state/city, rating, NPS, 5-point scale, yes/no, image picker, and more.

• Form element per-field styling — Border color, text color, text size (default/sm/lg), label alignment (left/center/right), mobile/desktop responsive positioning.

• Shortcodes: [Easy_Form_Builder_confirmation_code_finder], [EMS_Form_Builder], [ems_form_builder].

• Form types: form (standard), tracker (confirmation code lookup), userIsLogin (restricted to logged-in users).

• File upload — Drag-and-drop with 8.3MB size limit (fileSizeLimite_emsFormBuilder).

• Cache plugin compatibility — Detects and warns about 30+ cache plugins (wp-rocket, wp-super-cache, litespeed-cache, etc.).

• jQuery dependency check — User-friendly fallback with React.js compatibility detection.

• RTL language support — Full right-to-left layout for Persian, Arabic, Hebrew with admin-rtl-efb.css.

• Roboto font — Loaded via Google Fonts for consistent typography.

• Language detection hierarchy: WPML (icl_object_id, ICL_LANGUAGE_CODE) → Polylang (pll_current_language) → WordPress locale (get_locale()).

• Text domain: easy-form-builder.

• Locale-specific CDN — Farsi (fa_IR) uses cdn.easyformbuilder.ir; all others use cdn.jsdelivr.net for country/state/city JSON data.

• Multilingual text caching — Via text_efb() with WordPress transients and emsfb_text_version for cache invalidation.

• Transient-based form caching — Forms list cached with 1-hour TTL.

• Static form list caching — Singleton pattern prevents duplicate queries.

• Settings query caching — WordPress transients for settings retrieval.

• Cache plugin compatibility — Automatic detection and cache invalidation support for 30+ cache plugins.

• Lazy loading — Page builder integrations and addon files loaded only when needed.

• Background processing — Async task processing via AJAX (efb_test_background, efb_process_background) and cron (efb_process_background_cron).

• AJAX Actions for form management: remove_id_Emsfb, get_form_id_Emsfb, update_form_Emsfb, dup_efb (duplicate form).

• Message management AJAX: remove_message_id_Emsfb, get_messages_id_Emsfb, update_message_state_Emsfb, remove_messages_Emsfb.

• Response/reply AJAX: get_all_response_id_Emsfb, set_replyMessage_id_Emsfb.

• Settings AJAX: set_settings_Emsfb, get_track_id_Emsfb, check_email_server_efb, report_problem_Emsfb, efb_save_plan_selection.

• Admin assets: admin-efb.css, style-efb.css, bootstrap.min-efb.css, bootstrap-select-efb.css, admin-rtl-efb.css, bootstrap.min-efb.js, utils-efb.js.

• Google Charts integration — For analytics and survey result visualization.

• Pro version tracking — Option emsfb_pro with states: -1 (expired), 0 (inactive), 1 (active), 2 (trial).

• Heartbeat support — heartbeat_Emsfb AJAX action for real-time updates.

Filters: • emsfb_get_server_host — Override server host detection • efb_allowed_cors_origins — CORS origin whitelist • efb_submit_bot_decision — Bot detection override • efb_admin_localize_vars — Admin JS localization data extension • efb_register_payment_rest_routes — Payment provider route registration • Emsfb_get_settings — Settings modification hook

Actions: • emsfb_update_cache_plugins_list — Cache plugin detection trigger • emsfb_check_file_access_after_activation — Post-activation file checks • efb_loading_card — Custom loading indicator display • efb_process_background_cron — Background processing cron

• Easy Form Builder 1.30.0 – 1.33.X is deprecated and no longer supported. • Easy Form Builder 2.3.X is deprecated and no longer supported. • Easy Form Builder 3.X.X is deprecated. • Easy Form Builder 4.X.X is under active development (recommended).

Date: March 2026

• Fixed issue of the response box

Date : 15 June 2024

• Fixed issues of Sending email notification

Date : 8 June 2024

• Change the default response state by the admin to require admin login.
• replace function __ () to esc_html__ ()

Date:31 may 2024

• Fixed issues of Sending email notification

• Fixed issues of response box
• Added new feature: ‘terms input field’ to form builder
• Fixed issues of preview forms
• Added new feature: 'Admin can response messages without login"

Date:16 may 2024

• Fixed issues of response box

• Change the name of all JS and CSS files to prevent conflicts.
• CAPTCHA Issue Present Resolved on Edit Form on Easy Form Builder Panel page
• Admins Can Now Add Responses Without Logging In
• "Select All" Checkbox Added for Messages Section on Easy Form Builder Panel
• Delete Button Added to Message Section on Easy Form Builder Panel 
• "Read" Button Added to Message Section on Easy Form Builder Panel 
• Resolved issues with changing phone number in settings.
• Fixed issues of UI Easy Form Builder

• Improved forms preview
• Fixed mobile signature issue: Removed scroll event during signature
• Fixed form builder UI bug with captcha activation.

• Fixed UI of navigation buttons in the form builder.
• Added customized format type for sample input files.

• Added a close button to the modal settings.
• Added message for verification activation in the Pro version.
• Updated install.php for code readability.
• Fixed typos in public.php, functions.php, and readme.txt files.
• Fixed UI response box in public.php file.
• Fixed label variable bug in new.js file.
• Removed unnecessary placeholders in new.js file.
• Removed autocomplete from unnecessary tags in new.js file.
• Removed type="button" from tags of submit buttons with IDs btn_send_efb, prev_efb, and next_efb based on W3C standards.
• Cleaned up code.
• Fixed link states and cites bug.
• Improved UI of Form Builder.

Code Log for Version 3.7.15:

1. Function.php Changes:

   • Added new phrases:

     "prcfld" => $state && isset($ac->text->prcfld) ? $ac->text->prcfld : __('Price field','easy-form-builder'),
     "ttlprc" => $state && isset($ac->text->ttlprc) ? $ac->text->ttlprc : __('Total price','easy-form-builder'),
     "total" => $state && isset($ac->text->total) ? $ac->text->total : __('Total','easy-form-builder'),
     "mlsbjt" => $state && isset($ac->text->mlsbjt) ? $ac->text->mlsbjt : __('Email Subject','easy-form-builder'),
     "fernvtf" => $state  &&  isset($ac->text->fernvtf) ? $ac->text->fernvtf : __('The entered data does not match the form type. If you are an admin, 
      please review the form type.','easy-form-builder'),
     "fetf" => $state  &&  isset($ac->text->fetf) ? $ac->text->fetf : __('Error: Please ensure there is only one form per webpage','easy-form-builder'),

2. JS Files Updates:

   • Updated new.js:
     • Added new fields 'Price field' and 'Total price' to addNewElement function.
     • Added new fields 'Price field' and 'Total price' to addStyleColorBodyEfb function.
     • Updated fun_offline_Efb.
   • Updated val.js:
     • Added new fields 'Price field' and 'Total price' to fields_efb variable.
   • Updated public/core.js:
     • A new code has been added to display a message (ajax_object_efm.text.fetf) to the user if there are two forms on the page.

3. Public.php Changes:

   • Updated send_email_Emsfb_ function:
     • Added 'sun' as parameters for all kinds of forms.
     • Updated pay_stripe_sub_Emsfb_api for accepting 'from' value of the payment field.
     • Updated fun_total_pay_efb to disable the price field after payment completion.
     • Updated send_email_Emsfb_ with new parameters for email subject if added by users during form building.
     • Improved UI of the input email for password recovery in the login form.
     • Moved fun_emsFormBuilder_show_messages to new.js and changed parameters to fun_emsFormBuilder_show_messages(content, by, userIp, track, date).
     • Added validation case for 'prcfld'.
     • Fixed duplicated rows of the table matrix.
     • Updated send_email_Emsfb_ function.
     • Improved register new user email content.
     • Added new error message for validation forms after submitting data $this->lanText["fernvtf"].
     • Removed deprecated functions (fun_send_mail_emsFormBuilder, mail_send_form_api, fun_send_email_noti_efb, send_email_Emsfb).
     • Removed unused code related to the pay.js file.
     • Added validation case of 'prcfld' in public.php after the form is filled.
     • Removed unnecessary IP-related function (mail_send_form_api).
     • Removed old mode of function send_email_Emsfb.
     • Removed unused function fun_send_email_noti_efb.
   • Added function delete_old_rows_emsfb_stts_ for removing rows older than 40 days from the table.

4. Other Changes:

   • Fixed SMS notification problem on payment forms in public.php.
   • Removed pay.js file and moved its content to new.js.
   • Improved accessibility support (ADA) for basic input fields.
   • Changed the structure of the form and moved the <form> tag position when the form is published.
   • Replaced class efb-rounded with rounded-4 in various files.
   • Added aria-required, aria-label, and aria-describedby attributes to input fields for ADA support.
   • Added autocomplete to basic input fields for ADA support.
   • Added roles to the button of the form and labels of inputs for ADA support.
   • Added a form type selector to the settings of forms.
   • Added form type selector phrases to function.php.
   • Updated JS files (admin.js, forms.js, admin/core.js, and val.js) with the new class rounded-4.
   • Added formTypeEl case to save in valj_efb[0].type in admin.js.
   • Added formTypeEls function to build the form type selector on val.js.
   • Called formTypeEls to list of functions in the advanced attribute of the form setting for presenting the form type selector in the form setting menu.

• Updated the cache cleanup function (cache_cleaner_Efb) in the class-Emsf-public.php file to resolve an issue related to the LiteSpeed Cache plugin.

do_action( 'litespeed_purge_post', $page_id );

In the earlier version, users encountered a 403 error when trying to submit a form for the second time. This problem occurred because of a conflict with the LiteSpeed Cache plugin.

• Fixed problems concerning the sending of email notifications for forms, specifically those linked to the HTML version of server support.

• Updated the row statement on function.php: isset($_SERVER['HTTP_USER_AGENT']) ? strtolower($_SERVER['HTTP_USER_AGENT']) : null;

Pervious version get syntax error because when bot visit page set null to strtolower and get error.

• Updated enqueue_jquery function: (class-Emsf-public.php) Upgraded to the latest jQuery version for better performance and security.

• Added Address Field: (val.js, new.js, admin.js) Implemented a new field specifically designed for capturing full addresses, improving data accuracy and user experience.

• Changed Email Template Button Text: (class-Emsf-public.php, functions.php) Updated the button text to "View message and reply" for clearer user guidance.

• Moved lan_subdomain_wsteam_efb function: (admin.js, new.js) Refactored the code by moving this function from admin.js to new.js for better organization and maintainability.

• Fixed added last column to CSV file: (list_form.js) Addressed the functionality to append the last column to the CSV file, ensuring that it is included in the downloaded CSV file.

• Improved Form Preview in Easy Form Builder Panel

Technical Details:

• Refactored JavaScript Files:

Moved handle_change_event_efb to new.js for better organization.

Replaced all instances of sendBack_emsFormBuilder_pub.findIndex(x => x.id_ === id_) with the new function get_row_sendback_by_id_efb(id)

• Created new.js for common reusable functions.

Moved sendBack_emsFormBuilder_pub to new.js for improved modularity.

• Enhanced Preview Validation:

Added handle_change_event_efb to admin/core.js for consistent validation in both the builder and preview.

Implemented offset_view_efb in admin/core.js and public/core.js for code optimization.

• Variables Renaming:

Replaced ajax_object_efm to efb_var across admin/core.js and new.js for clarity.

• Functions Consolidation:

Moved sendBack_emsFormBuilder_pub from list_form.js to new.js for unified functionality.

• Functions Updates:

Improved valid_email_emsFormBuilder in admin/core.js for enhanced email validation.

Enhanced valid_file_emsFormBuilder in admin/core.js and public/core.js for refined file validation.

Added new parameters to valid_file_emsFormBuilder in public/core.js for expanded capabilities.

• Additional Updates:

Updated create_dadfile_efb and viewfileEfb for specific improvements

Updated all occurrences of sendBack_emsFormBuilder_pub.findIndex(x => ) to ensure that x is not null and that it has the required property."