Please deactivate %2$s first, then reactivate %1$s from the plugins page.', esc_html($pluginName), esc_html($activeName), esc_url($pluginUrl) ); add_action('admin_init', [self::class, 'addConflictNotice']); register_activation_hook($pluginFile, [self::class, 'deactivateOnActivation']); return false; } define('DUPLICATOR_CONFLICT_CHECKER', json_encode([ 'name' => $pluginName, 'slug' => plugin_basename($pluginFile), ])); return true; } /** * Detect if a conflicting Duplicator variant is already active. * Checks the shared constant (new variants) and the legacy Lite slug (old versions). * * @param string $currentSlug current plugin slug * * @return string|false conflicting plugin name, or false if no conflict */ private static function getConflictingPluginName($currentSlug) { // New variants define this constant on load if (defined('DUPLICATOR_CONFLICT_CHECKER')) { $activePlugin = json_decode(DUPLICATOR_CONFLICT_CHECKER, true); return $activePlugin['name'] ?? 'Duplicator'; } // Legacy Lite doesn't define the constant, check by slug $legacyLiteSlug = 'duplicator/duplicator.php'; if ($currentSlug !== $legacyLiteSlug && self::isPluginActive($legacyLiteSlug)) { return 'Duplicator'; } return false; } /** * Check if a plugin is active * * @param string $plugin plugin slug (e.g. 'duplicator/duplicator.php') * * @return bool */ private static function isPluginActive(string $plugin): bool { $isActive = false; if (in_array($plugin, (array) get_option('active_plugins', []))) { $isActive = true; } if (is_multisite()) { $plugins = get_site_option('active_sitewide_plugins'); if (isset($plugins[$plugin])) { $isActive = true; } } return ($isActive && file_exists(WP_PLUGIN_DIR . '/' . $plugin)); } /** * Display admin notice only if user can manage plugins. * * @return void */ public static function addConflictNotice(): void { if (current_user_can('activate_plugins')) { add_action('admin_notices', [self::class, 'conflictNotice']); } } /** * Deactivate current plugin on activation * * @return void */ public static function deactivateOnActivation(): void { deactivate_plugins(plugin_basename(self::$pluginFile)); wp_die( wp_kses( self::$deactivationMessage, [ 'br' => [], 'a' => ['href' => []], ] ) ); } /** * Display admin notice when conflicting plugin is active * * @return void */ public static function conflictNotice(): void { $activeName = self::getConflictingPluginName(plugin_basename(self::$pluginFile)); if ($activeName === false) { $activeName = 'Duplicator'; } $pluginUrl = (is_multisite() ? network_admin_url('plugins.php') : admin_url('plugins.php')); ?>

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plugins page.', esc_html(self::$pluginName), esc_html($activeName), esc_url($pluginUrl) ); ?>