first commit

wp/wp-content/plugins/wordpress-seo-premium/src/functions.php

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+<?php
+/**
+ * WPSEO plugin file.
+ *
+ * @package Yoast\WP\SEO\Premium
+ */
+
+if ( ! defined( 'WPSEO_PREMIUM_VERSION' ) ) {
+	header( 'Status: 403 Forbidden' );
+	header( 'HTTP/1.1 403 Forbidden' );
+	exit();
+}
+
+use Yoast\WP\SEO\Premium\Main;
+
+/**
+ * Retrieves the main instance.
+ *
+ * @phpcs:disable WordPress.NamingConventions -- Should probably be renamed, but leave for now.
+ *
+ * @return Main The main instance.
+ */
+function YoastSEOPremium() {
+	// phpcs:enable
+
+	static $main;
+	if ( did_action( 'wpseo_loaded' ) ) {
+		if ( $main === null ) {
+			// Ensure free is loaded as loading premium will fail without it.
+			YoastSEO();
+			$main = new Main();
+			$main->load();
+		}
+	}
+	else {
+		add_action( 'wpseo_loaded', 'YoastSEOPremium' );
+	}
+
+	return $main;
+}