first commit

wp/wp-content/plugins/wordpress-seo/src/integrations/duplicate-post-integration.php

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+<?php
+
+namespace Yoast\WP\SEO\Integrations;
+
+use Yoast\WP\SEO\Conditionals\No_Conditionals;
+
+/**
+ * Class to manage the integration with Yoast Duplicate Post.
+ */
+class Duplicate_Post_Integration implements Integration_Interface {
+
+	use No_Conditionals;
+
+	/**
+	 * Initializes the integration.
+	 *
+	 * This is the place to register hooks and filters.
+	 *
+	 * @return void
+	 */
+	public function register_hooks() {
+		\add_filter( 'duplicate_post_excludelist_filter', [ $this, 'exclude_zapier_meta' ] );
+	}
+
+	/**
+	 * Filters out the Zapier meta when you copy a post with Yoast Duplicate Post.
+	 *
+	 * @param array $meta_excludelist The current excludelist of meta fields.
+	 *
+	 * @return array The updated excludelist.
+	 */
+	public function exclude_zapier_meta( $meta_excludelist ) {
+		$meta_excludelist[] = 'zapier_trigger_sent';
+		return $meta_excludelist;
+	}
+}