first commit

wp-content/plugins/mailchimp-for-wp/includes/admin/migrations/3.0.0-widget-base-id.php

@@ -0,0 +1,42 @@
+<?php
+
+defined( 'ABSPATH' ) or exit;
+
+$section_widgets = get_option( 'sidebars_widgets', array() );
+$replaced        = false;
+
+foreach ( $section_widgets as $section => $widgets ) {
+
+	// WP has an "array_version" key that is not an array...
+	if ( ! is_array( $widgets ) ) {
+		continue;
+	}
+
+	// loop through widget ID's
+	foreach ( $widgets as $key => $widget_id ) {
+
+		// does this widget ID start with "mc4wp_widget"?
+		if ( strpos( $widget_id, 'mc4wp_widget' ) === 0 ) {
+
+			// replace "mc4wp_widget" with "mc4wp_form_widget"
+			$new_widget_id                       = str_replace( 'mc4wp_widget', 'mc4wp_form_widget', $widget_id );
+			$section_widgets[ $section ][ $key ] = $new_widget_id;
+			$replaced                            = true;
+		}
+	}
+}
+
+
+// update option if we made changes
+if ( $replaced ) {
+	update_option( 'sidebars_widgets', $section_widgets );
+}
+
+// update widget options
+$options = get_option( 'widget_mc4wp_widget', false );
+if ( $options ) {
+	update_option( 'widget_mc4wp_form_widget', $options );
+
+	// delete old option
+	delete_option( 'widget_mc4wp_widget' );
+}