first commit

wp-content/plugins/polylang/modules/share-slug/load.php

@@ -0,0 +1,20 @@
+<?php
+/**
+ * Loads the settings module for shared slugs.
+ *
+ * @package Polylang
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Don't access directly
+};
+
+if ( $polylang->model->has_languages() ) {
+	add_filter(
+		'pll_settings_modules',
+		function( $modules ) {
+			$modules[] = 'PLL_Settings_Preview_Share_Slug';
+			return $modules;
+		}
+	);
+}

wp-content/plugins/polylang/modules/share-slug/settings-preview-share-slug.php

@@ -0,0 +1,70 @@
+<?php
+/**
+ * @package Polylang
+ */
+
+/**
+ * A class to advertize the Share slugs module.
+ *
+ * @since 1.9
+ * @since 3.1 Renamed from PLL_Settings_Share_Slug.
+ */
+class PLL_Settings_Preview_Share_Slug extends PLL_Settings_Module {
+	/**
+	 * Stores the display order priority.
+	 *
+	 * @var int
+	 */
+	public $priority = 70;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 1.9
+	 *
+	 * @param object $polylang Polylang object.
+	 */
+	public function __construct( &$polylang ) {
+		parent::__construct(
+			$polylang,
+			array(
+				'module'      => 'share-slugs',
+				'title'       => __( 'Share slugs', 'polylang' ),
+				'description' => $this->get_description(),
+			)
+		);
+	}
+
+	/**
+	 * Returns the module description.
+	 *
+	 * @since 3.1
+	 *
+	 * @return string
+	 */
+	protected function get_description() {
+		return __( 'Allows to share the same URL slug across languages for posts and terms.', 'polylang' );
+	}
+
+	/**
+	 * Tells if the module is active.
+	 *
+	 * @since 1.9
+	 *
+	 * @return bool
+	 */
+	public function is_active() {
+		return false;
+	}
+
+	/**
+	 * Displays an upgrade message.
+	 *
+	 * @since 1.9
+	 *
+	 * @return string
+	 */
+	public function get_upgrade_message() {
+		return $this->default_upgrade_message();
+	}
+}