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Importer: Campaign Monitor #1007

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734c947
Check if block/shortcode defined when fetching and replacing forms
n7studios Feb 4, 2026
12866bb
Importers: Support non-integer form IDs
n7studios Feb 4, 2026
945ef8b
Added Campaign Monitor importer
n7studios Feb 4, 2026
14fd36f
Added Tests
n7studios Feb 4, 2026
672f1c5
Merge branch 'setup-wizard-form-importers' into importer-campaign-mon…
n7studios Feb 4, 2026
e233b28
Merge branch 'setup-wizard-form-importers' into importer-campaign-mon…
n7studios Feb 4, 2026
a24e0b6
Merge remote-tracking branch 'origin/setup-wizard-form-importers' int…
n7studios Feb 5, 2026
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98 changes: 98 additions & 0 deletions admin/importers/class-convertkit-admin-importer-campaignmonitor.php
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Original file line number Diff line number Diff line change
@@ -0,0 +1,98 @@
<?php
/**
* ConvertKit Admin Importer CampaignMonitor class.
*
* @package ConvertKit
* @author ConvertKit
*/

/**
* Import and migrate data from CampaignMonitor to Kit.
*
* @package ConvertKit
* @author ConvertKit
*/
class ConvertKit_Admin_Importer_CampaignMonitor extends ConvertKit_Admin_Importer {

/**
* Holds the programmatic name of the importer (lowercase, no spaces).
*
* @since 3.1.7
*
* @var string
*/
public $name = 'campaignmonitor';

/**
* Holds the title of the importer (for display in the importer list).
*
* @since 3.1.7
*
* @var string
*/
public $title = 'CampaignMonitor';

/**
* Holds the shortcode name for ActiveCampaign forms.
*
* @since 3.1.7
*
* @var string
*/
public $shortcode_name = 'cm_form';

/**
* Holds the ID attribute name for CampaignMonitor forms.
*
* @since 3.1.7
*
* @var string
*/
public $shortcode_id_attribute = 'form_id';

/**
* Constructor
*
* @since 3.1.7
*/
public function __construct() {

// Register this as an importer, if CampaignMonitor forms exist.
add_filter( 'convertkit_get_form_importers', array( $this, 'register' ) );

}

/**
* Returns an array of CampaignMonitor form IDs and titles.
*
* @since 3.1.7
*
* @return array
*/
public function get_forms() {

// Forms are cached in the Plugin Settings.
$settings = get_option( 'forms_for_campaign_monitor_forms' );

// Bail if the CampaignMonitor Plugin Settings are not set.
if ( ! $settings ) {
return array();
}

// Build array of forms.
$forms = array();
foreach ( $settings as $form_id => $form ) {
// $form is a Campaign Monitor forms\core\Form object. It'll be a __PHP_Incomplete_Class if the Campaign Monitor plugin is not active.
// To consistently access the protected form name property, we have to cast to an array.
$form = (array) $form;

// Access the protected form name property.
// When casting __PHP_Incomplete_Class to an array, protected properties are prefixed with \0*\0.
$forms[ $form_id ] = $form["\0*\0name"];
}

return $forms;

}

}
95 changes: 62 additions & 33 deletions admin/importers/class-convertkit-admin-importer.php
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Original file line number Diff line number Diff line change
Expand Up @@ -124,8 +124,12 @@ public function import( $mappings ) {
continue;
}

$this->replace_blocks_in_posts( (int) $third_party_form_id, (int) $kit_form_id );
$this->replace_shortcodes_in_posts( (int) $third_party_form_id, (int) $kit_form_id );
if ( $this->block_name ) {
$this->replace_blocks_in_posts( $third_party_form_id, (int) $kit_form_id );
}
if ( $this->shortcode_name ) {
$this->replace_shortcodes_in_posts( $third_party_form_id, (int) $kit_form_id );
}
}

}
Expand All @@ -141,24 +145,49 @@ public function get_forms_in_posts() {

global $wpdb;

// Search post_content for the third party form block or shortcode and return array of post IDs.
$results = $wpdb->get_col(
$wpdb->prepare(
"
SELECT ID
FROM {$wpdb->posts}
WHERE post_status = %s
AND (
post_content LIKE %s
OR post_content LIKE %s
)
",
'publish',
'%[' . $this->shortcode_name . '%',
'%<!-- wp:' . $this->block_name . '%'
// Build WHERE clauses and values.
$post_content_clauses = array();
$post_content_values = array();

if ( $this->shortcode_name ) {
$post_content_clauses[] = 'post_content LIKE %s';
$post_content_values[] = '%[' . $this->shortcode_name . '%';
}
if ( $this->block_name ) {
$post_content_clauses[] = 'post_content LIKE %s';
$post_content_values[] = '%<!-- wp:' . $this->block_name . '%';
}

// Bail early if nothing to search for.
if ( empty( $post_content_clauses ) ) {
return array();
}

// Prepare SQL using wpdb->prepare.
// call_user_func_array() is used so variable length arrays can be passed to prepare().
$query = call_user_func_array(
array( $wpdb, 'prepare' ),
array_merge(
array(
"
SELECT ID
FROM {$wpdb->posts}
WHERE post_status = %s
AND (
" . implode( ' OR ', $post_content_clauses ) . '
)
',
),
array_merge(
array( 'publish' ),
$post_content_values
)
)
);

// Run query.
$results = $wpdb->get_col( $query ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared

return $results ? $results : array();

}
Expand Down Expand Up @@ -194,8 +223,8 @@ public function has_forms_in_posts() {
*
* @since 3.1.0
*
* @param int $third_party_form_id Third Party Form ID.
* @param int $form_id Kit Form ID.
* @param string|int $third_party_form_id Third Party Form ID.
* @param int $form_id Kit Form ID.
*/
public function replace_shortcodes_in_posts( $third_party_form_id, $form_id ) {

Expand Down Expand Up @@ -234,9 +263,9 @@ public function replace_shortcodes_in_posts( $third_party_form_id, $form_id ) {
*
* @since 3.1.0
*
* @param string $content Content containing third party Form Shortcodes.
* @param int $third_party_form_id Third Party Form ID.
* @param int $form_id Kit Form ID.
* @param string $content Content containing third party Form Shortcodes.
* @param string|int $third_party_form_id Third Party Form ID.
* @param int $form_id Kit Form ID.

* @return string
*/
Expand Down Expand Up @@ -358,8 +387,8 @@ public function get_form_ids_from_content( $content ) {
*
* @since 3.1.6
*
* @param int $third_party_form_id Third Party Form ID.
* @param int $form_id Kit Form ID.
* @param string|int $third_party_form_id Third Party Form ID.
* @param int $form_id Kit Form ID.
*/
public function replace_blocks_in_posts( $third_party_form_id, $form_id ) {

Expand All @@ -383,9 +412,9 @@ public function replace_blocks_in_posts( $third_party_form_id, $form_id ) {
*
* @since 3.1.6
*
* @param int $post_id Post ID.
* @param int $third_party_form_id Third Party Form ID.
* @param int $form_id Kit Form ID.
* @param int $post_id Post ID.
* @param string|int $third_party_form_id Third Party Form ID.
* @param int $form_id Kit Form ID.
*/
public function replace_blocks_in_post( $post_id, $third_party_form_id, $form_id ) {

Expand Down Expand Up @@ -424,9 +453,9 @@ public function replace_blocks_in_post( $post_id, $third_party_form_id, $form_id
*
* @since 3.1.6
*
* @param array $blocks Blocks.
* @param int $third_party_form_id Third Party Form ID.
* @param int $form_id Kit Form ID.
* @param array $blocks Blocks.
* @param string|int $third_party_form_id Third Party Form ID.
* @param int $form_id Kit Form ID.
*
* @return string
*/
Expand All @@ -446,9 +475,9 @@ public function replace_blocks_in_content( $blocks, $third_party_form_id, $form_
*
* @since 3.1.6
*
* @param array $blocks Blocks.
* @param int $third_party_form_id Third Party Form ID.
* @param int $form_id Kit Form ID.
* @param array $blocks Blocks.
* @param string|int $third_party_form_id Third Party Form ID.
* @param int $form_id Kit Form ID.
* @return array
*/
private function recursively_convert_blocks( $blocks, $third_party_form_id, $form_id ) {
Expand Down
1 change: 1 addition & 0 deletions admin/section/class-convertkit-admin-section-tools.php
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,7 @@ public function register_notices( $notices ) {
'import_configuration_success' => __( 'Configuration imported successfully.', 'convertkit' ),
'migrate_activecampaign_configuration_success' => __( 'ActiveCampaign forms migrated successfully.', 'convertkit' ),
'migrate_aweber_configuration_success' => __( 'AWeber forms migrated successfully.', 'convertkit' ),
'migrate_campaignmonitor_configuration_success' => __( 'Campaign Monitor forms migrated successfully.', 'convertkit' ),
'migrate_mc4wp_configuration_success' => __( 'MC4WP forms migrated successfully.', 'convertkit' ),
'migrate_mailpoet_configuration_success' => __( 'MailPoet forms migrated successfully.', 'convertkit' ),
'migrate_newsletter_configuration_success' => __( 'Newsletter forms migrated successfully.', 'convertkit' ),
Expand Down
1 change: 1 addition & 0 deletions includes/class-wp-convertkit.php
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Original file line number Diff line number Diff line change
Expand Up @@ -85,6 +85,7 @@ private function initialize_admin() {
$this->classes['admin_landing_page'] = new ConvertKit_Admin_Landing_Page();
$this->classes['admin_importer_activecampaign'] = new ConvertKit_Admin_Importer_ActiveCampaign();
$this->classes['admin_importer_aweber'] = new ConvertKit_Admin_Importer_AWeber();
$this->classes['admin_importer_campaignmonitor'] = new ConvertKit_Admin_Importer_CampaignMonitor();
$this->classes['admin_importer_mc4wp'] = new ConvertKit_Admin_Importer_MC4WP();
$this->classes['admin_importer_mailpoet'] = new ConvertKit_Admin_Importer_Mailpoet();
$this->classes['admin_importer_newsletter'] = new ConvertKit_Admin_Importer_Newsletter();
Expand Down
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