added flyweight pattern

Structural/Flyweight/CharacterFlyweight.php

@@ -0,0 +1,36 @@
+<?php
+
+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 CharacterFlyweight implements FlyweightInterface {
+
+	/**
+	 * 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;
+
+	/**
+	 * Constructor.
+	 * @param string $name
+	 */
+	public function __construct($name) {
+		$this->name = $name;
+	}
+
+	/**
+	 * 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
+	 * @param string $font
+	 */
+	public function draw($font)
+	{
+		print_r("Character {$this->name} printed $font \n");
+	}
+
+}