improved Flyweight

Structural/Flyweight/Character.php

@@ -0,0 +1,32 @@
+<?php
+declare(strict_types=1);
+
+namespace DesignPatterns\Structural\Flyweight;
+
+/**
+ * Implements the flyweight interface and adds storage for intrinsic state, if any.
+ * Instances of concrete flyweights are shared by means of a factory.
+ */
+class Character implements Text
+{
+    /**
+     * Any state stored by the concrete flyweight must be independent of its context.
+     * For flyweights representing characters, this is usually the corresponding character code.
+     *
+     * @var string
+     */
+    private $name;
+
+    public function __construct(string $name)
+    {
+        $this->name = $name;
+    }
+
+    public function render(string $font): string
+    {
+         // Clients supply the context-dependent information that the flyweight needs to draw itself
+         // For flyweights representing characters, extrinsic state usually contains e.g. the font.
+
+        return sprintf('Character %s with font %s', $this->name, $font);
+    }
+}