add a lib directory; move smarty into it; add random_compat phar (for random_bytes() on PHP < 7)

lib/smarty/libs/sysplugins/smarty_internal_compile_eval.php

@@ -0,0 +1,71 @@
+<?php
+/**
+ * Smarty Internal Plugin Compile Eval
+ * Compiles the {eval} tag.
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ * @author     Uwe Tews
+ */
+
+/**
+ * Smarty Internal Plugin Compile Eval Class
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_Compile_Eval extends Smarty_Internal_CompileBase
+{
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    public $required_attributes = array('var');
+
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    public $optional_attributes = array('assign');
+
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    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)
+    {
+        // check and get attributes
+        $_attr = $this->getAttributes($compiler, $args);
+        if (isset($_attr[ 'assign' ])) {
+            // output will be stored in a smarty variable instead of being 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->fetch());";
+        } else {
+            $_output .= 'echo $_template->fetch();';
+        }
+
+        return "<?php $_output ?>";
+    }
+}