Add PHP 8.2 fixes (#700)

* Add PHP 8.2 fixes for dynamic properties error

* Add fix for ${var} string interpolation

* Remove unused dropdown_taxonomies property

* Use `date()` since `strftime()` is deprecated since 8.1

* Add dynamic property attribute

common/php/class-module.php

@@ -15,6 +15,10 @@ class EF_Module {
 		'private',
 	);
 
+	public $module_url;
+
+	public $module;
+
 	function __construct() {}
 
 	/**
@@ -437,7 +441,7 @@ function timesince( $original ) {
 			}
 		}
 
-		return sprintf( _n( "1 $name ago", "$count ${name}s ago", $count), $count);
+		return sprintf( _n( "1 $name ago", "$count {$name}s ago", $count), $count);
 	}
 
 	/**

edit_flow.php

@@ -53,6 +53,7 @@ function _ef_print_php_version_admin_notice() {
 define( 'EDIT_FLOW_SETTINGS_PAGE' , add_query_arg( 'page', 'ef-settings', get_admin_url( null, 'admin.php' ) ) );
 
 // Core class
+#[\AllowDynamicProperties]
 class edit_flow {
 
 	// Unique identified added as a prefix to all options
@@ -64,6 +65,25 @@ class edit_flow {
 	 */
 	private static $instance;
 
+	/**
+	 * Active modules.
+	 *
+	 * @var \stdClass
+	 */
+	public $modules;
+
+	/**
+	 * Number of active modules.
+	 *
+	 * @var int
+	 */
+	public $modules_count;
+
+	/**
+	 * @var EF_Module
+	 */
+	public $helpers;
+
 	/**
 	 * Main EditFlow Instance
 	 *