PluginProbe
Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages / 3.1.9
Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages v3.1.9
3.4.2 3.4.1 3.4.0 3.3.9 3.3.8 3.3.7 3.3.6 3.3.5 3.3.4 3.3.3 3.3.2 3.3.1 2.2.0 2.2.1 2.2.2 2.2.3 2.2.4 2.2.5 2.2.6 2.2.7 2.2.8 2.2.9 2.3.0 2.3.1 2.3.2 All 195 releases
← All changes | includes/functions.php +361 -33 2.3.23.1.9 View file →
@@ -16,8 +16,9 @@
16 16 function convertkit_plugin_activate( $network_wide ) {
17 17
18 18 // Initialise Plugin.
19 19 $convertkit = WP_ConvertKit();
20 + $convertkit->initialize();
20 21
21 22 // Check if we are on a multisite install, activating network wide, or a single install.
22 23 if ( ! is_multisite() || ! $network_wide ) {
23 24 // Single Site activation.
@@ -57,8 +58,9 @@
57 58 }
58 59
59 60 // Initialise Plugin.
60 61 $convertkit = WP_ConvertKit();
62 + $convertkit->initialize();
61 63
62 64 // Run installation routine.
63 65 switch_to_blog( $site_or_blog_id );
64 66 $convertkit->get_class( 'setup' )->activate();
@@ -76,8 +78,9 @@
76 78 function convertkit_plugin_deactivate( $network_wide ) {
77 79
78 80 // Initialise Plugin.
79 81 $convertkit = WP_ConvertKit();
82 + $convertkit->initialize();
80 83
81 84 // Check if we are on a multisite install, activating network wide, or a single install.
82 85 if ( ! is_multisite() || ! $network_wide ) {
83 86 // Single Site activation.
@@ -106,13 +109,32 @@
106 109 * @return array Post Types
107 110 */
108 111 function convertkit_get_supported_post_types() {
109 112
113 + // Define supported Post Types.
110 114 $post_types = array(
111 115 'page',
112 116 'post',
113 117 );
114 118
119 + // If public Custom Post Types can be fetched, include them now.
120 + if ( function_exists( 'get_post_types' ) ) {
121 + // Get public Custom Post Types.
122 + $custom_post_types = (array) get_post_types(
123 + array(
124 + 'public' => true,
125 +
126 + // Don't include WordPress' built in Post Types, such as attachment, revisino and nav_menu_item.
127 + '_builtin' => false,
128 + )
129 + );
130 +
131 + $post_types = array_merge(
132 + $post_types,
133 + array_keys( $custom_post_types )
134 + );
135 + }
136 +
115 137 /**
116 138 * Defines the Post Types that support ConvertKit Forms.
117 139 *
118 140 * @since 1.9.6
@@ -129,28 +151,16 @@
129 151 * Helper method to get supported Post Types for Restricted Content (Member's Content)
130 152 *
131 153 * @since 2.1.0
132 154 *
155 + * @deprecated 2.4.3 No longer used by internal code and not recommended. Use `convertkit_get_supported_post_types` instead.
156 + *
133 157 * @return array Post Types
134 158 */
135 159 function convertkit_get_supported_restrict_content_post_types() {
136 160
137 - $post_types = array(
138 - 'page',
139 - 'post',
140 - );
161 + return convertkit_get_supported_post_types();
141 162
142 - /**
143 - * Defines the Post Types that support Restricted Content / Members Content functionality.
144 - *
145 - * @since 2.0.0
146 - *
147 - * @param array $post_types Post Types
148 - */
149 - $post_types = apply_filters( 'convertkit_get_supported_restrict_content_post_types', $post_types );
150 -
151 - return $post_types;
152 -
153 163 }
154 164
155 165 /**
156 166 * Helper method to get registered Shortcodes.
@@ -224,8 +234,57 @@
224 234
225 235 }
226 236
227 237 /**
238 + * Helper method to get registered pre-publish actions.
239 + *
240 + * @since 2.4.0
241 + *
242 + * @return array Pre-publish actions
243 + */
244 +function convertkit_get_pre_publish_actions() {
245 +
246 + $pre_publish_actions = array();
247 +
248 + /**
249 + * Registers pre-publish actions for the ConvertKit Plugin.
250 + *
251 + * @since 2.4.0
252 + *
253 + * @param array $pre_publish_panels Pre-publish actions.
254 + */
255 + $pre_publish_actions = apply_filters( 'convertkit_get_pre_publish_actions', $pre_publish_actions );
256 +
257 + return $pre_publish_actions;
258 +
259 +}
260 +
261 +/**
262 + * Helper method to get registered importers that can replace third party
263 + * form shortcodes and blocks with Kit form shortcodes and blocks.
264 + *
265 + * @since 3.1.7
266 + *
267 + * @return array Importers.
268 + */
269 +function convertkit_get_form_importers() {
270 +
271 + $importers = array();
272 +
273 + /**
274 + * Registers form importers for the ConvertKit Plugin.
275 + *
276 + * @since 3.1.7
277 + *
278 + * @param array $importers Importers.
279 + */
280 + $importers = apply_filters( 'convertkit_get_form_importers', $importers );
281 +
282 + return $importers;
283 +
284 +}
285 +
286 +/**
228 287 * Helper method to return the Plugin Settings Link
229 288 *
230 289 * @since 1.9.6
231 290 *
@@ -280,9 +339,9 @@
280 339 'utm_source' => 'wordpress',
281 340 'utm_term' => get_locale(),
282 341 'utm_content' => 'convertkit',
283 342 ),
284 - 'https://app.convertkit.com/users/signup'
343 + 'https://app.kit.com/users/signup'
285 344 );
286 345
287 346 }
288 347
@@ -300,9 +359,9 @@
300 359 'utm_source' => 'wordpress',
301 360 'utm_term' => get_locale(),
302 361 'utm_content' => 'convertkit',
303 362 ),
304 - 'https://app.convertkit.com/'
363 + 'https://app.kit.com/'
305 364 );
306 365
307 366 }
308 367
@@ -320,21 +379,21 @@
320 379 'utm_source' => 'wordpress',
321 380 'utm_term' => get_locale(),
322 381 'utm_content' => 'convertkit',
323 382 ),
324 - 'https://app.convertkit.com/account_settings/billing/'
383 + 'https://app.kit.com/account_settings/billing/'
325 384 );
326 385
327 386 }
328 387
329 388 /**
330 - * Helper method to return the URL the user needs to visit on the ConvertKit app to obtain their API Key and Secret.
389 + * Helper method to return the URL the user needs to visit on the ConvertKit app to create a new Form or Landing Page.
331 390 *
332 - * @since 1.9.6.1
391 + * @since 2.2.3
333 392 *
334 - * @return string ConvertKit App URL.
393 + * @return string ConvertKit App URL
335 394 */
336 -function convertkit_get_api_key_url() {
395 +function convertkit_get_new_form_url() {
337 396
338 397 return add_query_arg(
339 398 array(
340 399 'utm_source' => 'wordpress',
@@ -340,21 +399,41 @@
340 399 'utm_source' => 'wordpress',
341 400 'utm_term' => get_locale(),
342 401 'utm_content' => 'convertkit',
343 402 ),
344 - 'https://app.convertkit.com/account_settings/advanced_settings/'
403 + 'https://app.kit.com/forms/new/'
345 404 );
346 405
347 406 }
348 407
349 408 /**
350 - * Helper method to return the URL the user needs to visit on the ConvertKit app to create a new Form or Landing Page.
409 + * Helper method to return the URL the user needs to visit to edit ConvertKit forms.
351 410 *
352 411 * @since 2.2.3
353 412 *
413 + * @return string ConvertKit Form Editor URL.
414 + */
415 +function convertkit_get_form_editor_url() {
416 +
417 + return add_query_arg(
418 + array(
419 + 'utm_source' => 'wordpress',
420 + 'utm_term' => get_locale(),
421 + 'utm_content' => 'convertkit',
422 + ),
423 + 'https://app.kit.com/forms'
424 + );
425 +
426 +}
427 +
428 +/**
429 + * Helper method to return the URL the user needs to visit on the ConvertKit app to create a new Landing Page.
430 + *
431 + * @since 2.5.5
432 + *
354 433 * @return string ConvertKit App URL
355 434 */
356 -function convertkit_get_new_form_url() {
435 +function convertkit_get_new_landing_page_url() {
357 436
358 437 return add_query_arg(
359 438 array(
360 439 'utm_source' => 'wordpress',
@@ -360,21 +439,21 @@
360 439 'utm_source' => 'wordpress',
361 440 'utm_term' => get_locale(),
362 441 'utm_content' => 'convertkit',
363 442 ),
364 - 'https://app.convertkit.com/forms/new/'
443 + 'https://app.kit.com/pages/new/'
365 444 );
366 445
367 446 }
368 447
369 448 /**
370 - * Helper method to return the URL the user needs to visit to edit ConvertKit forms.
449 + * Helper method to return the URL the user needs to visit on the ConvertKit app to create a new Tag.
371 450 *
372 - * @since 2.2.3
451 + * @since 2.3.3
373 452 *
374 - * @return string ConvertKit Form Editor URL.
453 + * @return string ConvertKit App URL.
375 454 */
376 -function convertkit_get_form_editor_url() {
455 +function convertkit_get_new_tag_url() {
377 456
378 457 return add_query_arg(
379 458 array(
380 459 'utm_source' => 'wordpress',
@@ -380,9 +459,9 @@
380 459 'utm_source' => 'wordpress',
381 460 'utm_term' => get_locale(),
382 461 'utm_content' => 'convertkit',
383 462 ),
384 - 'https://app.convertkit.com/forms'
463 + 'https://app.kit.com/subscribers/'
385 464 );
386 465
387 466 }
388 467
@@ -400,14 +479,38 @@
400 479 'utm_source' => 'wordpress',
401 480 'utm_term' => get_locale(),
402 481 'utm_content' => 'convertkit',
403 482 ),
404 - 'https://app.convertkit.com/campaigns/'
483 + 'https://app.kit.com/campaigns/'
405 484 );
406 485
407 486 }
408 487
409 488 /**
489 + * Helper method to return the URL the user needs to visit on the ConvertKit app to edit a draft Broadcast.
490 + *
491 + * @since 2.4.0
492 + *
493 + * @param int $broadcast_id ConvertKit Broadcast ID.
494 + * @return string ConvertKit App URL.
495 + */
496 +function convertkit_get_edit_broadcast_url( $broadcast_id ) {
497 +
498 + return add_query_arg(
499 + array(
500 + 'utm_source' => 'wordpress',
501 + 'utm_term' => get_locale(),
502 + 'utm_content' => 'convertkit',
503 + ),
504 + sprintf(
505 + 'https://app.kit.com/campaigns/%s/draft',
506 + $broadcast_id
507 + )
508 + );
509 +
510 +}
511 +
512 +/**
410 513 * Helper method to return the URL the user needs to visit on the ConvertKit app to create a new Product.
411 514 *
412 515 * @since 2.2.3
413 516 *
@@ -420,9 +523,9 @@
420 523 'utm_source' => 'wordpress',
421 524 'utm_term' => get_locale(),
422 525 'utm_content' => 'convertkit',
423 526 ),
424 - 'https://app.convertkit.com/products/new/'
527 + 'https://app.kit.com/products/new/'
425 528 );
426 529
427 530 }
428 531
@@ -476,4 +579,229 @@
476 579 // Return file's contents.
477 580 return $contents;
478 581
479 582 }
583 +
584 +/**
585 + * Returns a dropdown field commonly used for settings, comprising of:
586 + * - Do not subscribe
587 + * - Subscribe
588 + * - Subscribe to Form
589 + *
590 + * @since 2.5.2
591 + *
592 + * @param string $name Field name.
593 + * @param string $value Field value.
594 + * @param string $id Field ID attribute.
595 + * @param string $css_class Field CSS class(es).
596 + * @param string $context Resource context.
597 + * @param bool|array $additional_options Additional <option> key/value pairs.
598 + */
599 +function convertkit_get_subscription_dropdown_field( $name, $value, $id, $css_class = '', $context = '', $additional_options = false ) { // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter
600 +
601 + // Load resource classes.
602 + $forms = new ConvertKit_Resource_Forms( $context );
603 + $tags = new ConvertKit_Resource_Tags( $context );
604 + $sequences = new ConvertKit_Resource_Sequences( $context );
605 +
606 + ob_start();
607 + include CONVERTKIT_PLUGIN_PATH . '/views/backend/subscription-dropdown-field.php';
608 + $output = trim( ob_get_clean() );
609 +
610 + // Return output.
611 + return $output;
612 +
613 +}
614 +
615 +/**
616 + * Helper method to safely call get_current_screen(), returning false
617 + * if the function is not available or returns null.
618 + *
619 + * Otherwise returns the given WP_Screen property.
620 + *
621 + * @since 2.5.9
622 + *
623 + * @param string $property WP_Screen property to return.
624 + * @return bool|string
625 + */
626 +function convertkit_get_current_screen( $property ) {
627 +
628 + // Bail if we cannot determine the screen.
629 + if ( ! function_exists( 'get_current_screen' ) ) {
630 + return false;
631 + }
632 +
633 + // Get screen.
634 + $screen = get_current_screen();
635 +
636 + // Bail if the screen couldn't be determined.
637 + if ( is_null( $screen ) ) {
638 + return false;
639 + }
640 +
641 + // Return property.
642 + return $screen->$property;
643 +
644 +}
645 +
646 +/**
647 + * Outputs the Intercom help widget script.
648 + *
649 + * @since 2.7.2
650 + */
651 +function convertkit_output_intercom_messenger() {
652 +
653 + ?>
654 + <script>
655 + const KIT_INTERCOM_APP_ID = 'e4n3xtxz';
656 + window.intercomSettings = {
657 + api_base: 'https://api-iam.intercom.io',
658 + app_id: KIT_INTERCOM_APP_ID
659 + };
660 + </script>
661 +
662 + <script>
663 + (function(){var w=window;var ic=w.Intercom;if(typeof ic==="function"){ic('update',w.intercomSettings);}else{var d=document;var i=function(){i.c(arguments);};i.q=[];i.c=function(args){i.q.push(args);};w.Intercom=i;var l=function(){var s=d.createElement('script');s.type='text/javascript';s.async=true;s.src='https://widget.intercom.io/widget/' + KIT_INTERCOM_APP_ID;var x=d.getElementsByTagName('script')[0];x.parentNode.insertBefore(s, x);};if(document.readyState==='complete'){l();}else if(w.attachEvent){w.attachEvent('onload',l);}else{w.addEventListener('load',l,false);}}})();
664 + </script>
665 + <?php
666 +
667 +}
668 +
669 +/**
670 + * Checks if the given Theme is active.
671 + *
672 + * @since 3.1.4
673 + *
674 + * @param string $theme_name Theme name.
675 + * @return bool
676 + */
677 +function convertkit_is_theme_active( $theme_name ) {
678 +
679 + // Assume Theme isn't active if we can't detect it.
680 + if ( ! function_exists( 'wp_get_theme' ) ) {
681 + return false;
682 + }
683 +
684 + // Check the Parent Theme if we're on a Child Theme.
685 + if ( wp_get_theme()->parent() ) {
686 + $theme = wp_get_theme()->parent();
687 + } else {
688 + $theme = wp_get_theme();
689 + }
690 +
691 + return strtolower( $theme->get( 'Name' ) ) === strtolower( $theme_name );
692 +
693 +}
694 +
695 +/**
696 + * Returns permitted HTML output when using wp_kses( ..., convertkit_kses_allowed_html()).
697 + *
698 + * @since 2.8.5
699 + */
700 +function convertkit_kses_allowed_html() {
701 +
702 + // Get WordPress' permitted HTML elements.
703 + $elements = wp_kses_allowed_html( 'post' );
704 +
705 + // Add form elements.
706 + $form_elements = array(
707 + 'input' => array(
708 + 'type' => true,
709 + 'id' => true,
710 + 'name' => true,
711 + 'class' => true,
712 + 'value' => true,
713 + 'checked' => true,
714 + 'min' => true,
715 + 'max' => true,
716 + 'step' => true,
717 + 'data-*' => true,
718 + ),
719 + 'select' => array(
720 + 'id' => true,
721 + 'name' => true,
722 + 'class' => true,
723 + 'size' => true,
724 + 'multiple' => true,
725 + 'data-*' => true,
726 + ),
727 + 'option' => array(
728 + 'value' => true,
729 + 'selected' => true,
730 + 'data-*' => true,
731 + ),
732 + 'optgroup' => array(
733 + 'label' => true,
734 + 'data-*' => true,
735 + ),
736 + 'label' => array(
737 + 'for' => true,
738 + ),
739 + );
740 +
741 + return array_merge( $elements, $form_elements );
742 +
743 +}
744 +
745 +/**
746 + * Saves the new access token, refresh token and its expiry, and schedules
747 + * a WordPress Cron event to refresh the token on expiry.
748 + *
749 + * @since 3.1.1
750 + *
751 + * @param array $result New Access Token, Refresh Token and Expiry.
752 + * @param string $client_id OAuth Client ID used for the Access and Refresh Tokens.
753 + */
754 +function convertkit_maybe_update_credentials( $result, $client_id ) {
755 +
756 + // Don't save these credentials if they're not for this Client ID.
757 + // They're for another Kit Plugin that uses OAuth.
758 + if ( $client_id !== CONVERTKIT_OAUTH_CLIENT_ID ) {
759 + return;
760 + }
761 +
762 + $settings = new ConvertKit_Settings();
763 + $settings->update_credentials( $result );
764 +
765 +}
766 +
767 +/**
768 + * Deletes the stored access token, refresh token and its expiry from the Plugin settings,
769 + * and clears any existing scheduled WordPress Cron event to refresh the token on expiry,
770 + * when either:
771 + * - The access token is invalid
772 + * - The access token expired, and refreshing failed
773 + *
774 + * @since 3.1.1
775 + *
776 + * @param WP_Error $result Error result.
777 + * @param string $client_id OAuth Client ID used for the Access and Refresh Tokens.
778 + */
779 +function convertkit_maybe_delete_credentials( $result, $client_id ) {
780 +
781 + // Don't save these credentials if they're not for this Client ID.
782 + // They're for another Kit Plugin that uses OAuth.
783 + if ( $client_id !== CONVERTKIT_OAUTH_CLIENT_ID ) {
784 + return;
785 + }
786 +
787 + // If the error isn't a 401, don't delete credentials.
788 + // This could be e.g. a temporary network error, rate limit or similar.
789 + if ( $result->get_error_data( 'convertkit_api_error' ) !== 401 ) {
790 + return;
791 + }
792 +
793 + // Persist an error notice in the WordPress Administration until the user fixes the problem.
794 + WP_ConvertKit()->get_class( 'admin_notices' )->add( 'authorization_failed' );
795 +
796 + $settings = new ConvertKit_Settings();
797 + $settings->delete_credentials();
798 +
799 +}
800 +
801 +// Update Access Token when refreshed by the API class.
802 +add_action( 'convertkit_api_get_access_token', 'convertkit_maybe_update_credentials', 10, 2 );
803 +add_action( 'convertkit_api_refresh_token', 'convertkit_maybe_update_credentials', 10, 2 );
804 +
805 +// Delete credentials if the API class uses a invalid access token.
806 +// This prevents the Plugin making repetitive API requests that will 401.
807 +add_action( 'convertkit_api_access_token_invalid', 'convertkit_maybe_delete_credentials', 10, 2 );