基础代码

vendor/wp-cli/php-cli-tools/lib/cli/tree/Renderer.php

@@ -0,0 +1,26 @@
+<?php
+/**
+ * PHP Command Line Tools
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this package in the file LICENSE.
+ *
+ * @author    Ryan Sullivan <rsullivan@connectstudios.com>
+ * @copyright 2010 James Logsdom (http://girsbrain.org)
+ * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
+ */
+
+namespace cli\tree;
+
+/**
+ * Tree renderers are used to change how a tree is displayed.
+ */
+abstract class Renderer {
+
+    /**
+     * @param array $tree
+     * @return string|null
+     */
+    abstract public function render(array $tree);
+
+}