基础代码

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

@@ -0,0 +1,41 @@
+<?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;
+
+/**
+ * The ASCII renderer renders trees with ASCII lines.
+ */
+class Ascii extends Renderer {
+
+    /**
+     * @param array $tree
+     * @return string
+     */
+    public function render(array $tree)
+    {
+        $output = '';
+
+        $treeIterator = new \RecursiveTreeIterator(
+            new \RecursiveArrayIterator($tree),
+            \RecursiveTreeIterator::SELF_FIRST
+        );
+
+        foreach ($treeIterator as $val)
+        {
+            $output .= $val . "\n";
+        }
+
+        return $output;
+    }
+
+}