Second pass at adding key files

site/stackreach/libs/sysplugins/smarty_internal_compile_eval.php

@@ -0,0 +1,51 @@
+<?php
+
+/**
+ * Smarty Internal Plugin Compile Eval
+ *
+ * Compiles the {eval} tag 
+ * @package Smarty
+ * @subpackage Compiler
+ * @author Uwe Tews
+ */
+
+/**
+ * Smarty Internal Plugin Compile Eval Class
+ */ 
+class Smarty_Internal_Compile_Eval extends Smarty_Internal_CompileBase {
+    public $required_attributes = array('var');
+    public $optional_attributes = array('assign'); 
+    public $shorttag_order = array('var','assign');
+
+    /**
+     * Compiles code for the {eval} tag
+     * 
+     * @param array $args array with attributes from parser
+     * @param object $compiler compiler object
+     * @return string compiled code
+     */
+    public function compile($args, $compiler)
+    {
+        $this->compiler = $compiler; 
+        $this->required_attributes = array('var');
+        $this->optional_attributes = array('assign'); 
+        // check and get attributes
+        $_attr = $this->_get_attributes($args); 
+        if (isset($_attr['assign'])) {
+              // output will be stored in a smarty variable instead of beind displayed
+            $_assign = $_attr['assign'];
+        }
+  
+        // create template object
+        $_output = "\$_template = new {$compiler->smarty->template_class}('eval:'.".$_attr['var'].", \$_smarty_tpl->smarty, \$_smarty_tpl);"; 
+        //was there an assign attribute? 
+        if (isset($_assign)) {
+            $_output .= "\$_smarty_tpl->assign($_assign,\$_template->getRenderedTemplate());";
+        } else {
+            $_output .= "echo \$_template->getRenderedTemplate();";
+        } 
+        return "<?php $_output ?>";
+    } 
+} 
+
+?>