update plugins

wp/wp-content/plugins/imagify/classes/Traits/InstanceGetterTrait.php

@@ -0,0 +1,43 @@
+<?php
+namespace Imagify\Traits;
+
+defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
+
+/**
+ * Trait that simulates a singleton pattern.
+ * The idea is more to ease the instance retrieval than to prevent multiple instances.
+ * This is temporary, until we get a DI container.
+ *
+ * @since  1.9
+ * @since  1.9.4 Renamed into InstanceGetterTrait.
+ * @author Grégory Viguier
+ */
+trait InstanceGetterTrait {
+
+	/**
+	 * The "not-so-single" instance of the class.
+	 *
+	 * @var    object
+	 * @since  1.9
+	 * @access protected
+	 * @author Grégory Viguier
+	 */
+	protected static $instance;
+
+	/**
+	 * Get the main Instance.
+	 *
+	 * @since  1.9
+	 * @access protected
+	 * @author Grégory Viguier
+	 *
+	 * @return object Main instance.
+	 */
+	public static function get_instance() {
+		if ( ! isset( static::$instance ) ) {
+			static::$instance = new static();
+		}
+
+		return static::$instance;
+	}
+}