PHP cached template comparison

elefant_compiled.php

<h1><?php echo Template::sanitize ($data->title, 'UTF-8'); ?></h1>

<?php if ($data->show_people) { ?>
	<ul>
	<?php foreach ($data->people as $data->loop_index => $data->loop_value) { ?>
		<li><?php echo Template::sanitize ($data->loop_value, 'UTF-8'); ?></li>
	<?php } ?>
	</ul>
<?php } ?>

elefant_orig.html

<h1>{{title}}</h1>

{% if show_people %}
	<ul>
	{% foreach people %}
		<li>{{loop_value}}</li>
	{% end %}
	</ul>
{% end %}

smarty_compiled.php

<?php /* Smarty version Smarty-3.1.8, created on 2012-06-07 13:10:13
         compiled from "apps/template-bench/views/smarty3.html" */ ?>
<?php /*%%SmartyHeaderCode:12503048704fd0a835ee8ac4-90054934%%*/if(!defined('SMARTY_DIR')) exit('no direct access allowed');
$_valid = $_smarty_tpl->decodeProperties(array (
  'file_dependency' => 
  array (
    '84d0b1be7a90e37d9f5f579686f18a40d4474c1b' => 
    array (
      0 => 'apps/template-bench/views/smarty3.html',
      1 => 1339074238,
      2 => 'file',
    ),
  ),
  'nocache_hash' => '12503048704fd0a835ee8ac4-90054934',
  'function' => 
  array (
  ),
  'variables' => 
  array (
    'title' => 0,
    'show_people' => 0,
    'people' => 0,
    'person' => 0,
  ),
  'has_nocache_code' => false,
  'version' => 'Smarty-3.1.8',
  'unifunc' => 'content_4fd0a836016a36_28992089',
),false); /*/%%SmartyHeaderCode%%*/?>
<?php if ($_valid && !is_callable('content_4fd0a836016a36_28992089')) {function content_4fd0a836016a36_28992089($_smarty_tpl) {?><h1><?php echo htmlspecialchars($_smarty_tpl->tpl_vars['title']->value, ENT_QUOTES, 'UTF-8', true);?>
</h1>

<?php if ($_smarty_tpl->tpl_vars['show_people']->value){?>
	<ul>
	<?php  $_smarty_tpl->tpl_vars['person'] = new Smarty_Variable; $_smarty_tpl->tpl_vars['person']->_loop = false;
 $_from = $_smarty_tpl->tpl_vars['people']->value; if (!is_array($_from) && !is_object($_from)) { settype($_from, 'array');}
foreach ($_from as $_smarty_tpl->tpl_vars['person']->key => $_smarty_tpl->tpl_vars['person']->value){
$_smarty_tpl->tpl_vars['person']->_loop = true;
?>
		<li><?php echo htmlspecialchars($_smarty_tpl->tpl_vars['person']->value, ENT_QUOTES, 'UTF-8', true);?>
</li>
	<?php } ?>
	</ul>
<?php }?>
<?php }} ?>

smarty_orig.html

<h1>{$title|escape}</h1>

{if $show_people}
	<ul>
	{foreach $people as $person}
		<li>{$person|escape}</li>
	{/foreach}
	</ul>
{/if}

twig_compiled.php

<?php

/* twig.html */
class __TwigTemplate_f6886b8cf5b4826aef6b67e59f0d56be extends Twig_Template
{
    public function __construct(Twig_Environment $env)
    {
        parent::__construct($env);

        $this->parent = false;

        $this->blocks = array(
        );
    }

    protected function doDisplay(array $context, array $blocks = array())
    {
        // line 1
        echo "<h1>";
        if (isset($context["title"])) { $_title_ = $context["title"]; } else { $_title_ = null; }
        echo twig_escape_filter($this->env, $_title_, "html", null, true);
        echo "</h1>

";
        // line 3
        if (isset($context["show_people"])) { $_show_people_ = $context["show_people"]; } else { $_show_people_ = null; }
        if ($_show_people_) {
            // line 4
            echo "\t<ul>
\t";
            // line 5
            if (isset($context["people"])) { $_people_ = $context["people"]; } else { $_people_ = null; }
            $context['_parent'] = (array) $context;
            $context['_seq'] = twig_ensure_traversable($_people_);
            foreach ($context['_seq'] as $context["_key"] => $context["person"]) {
                // line 6
                echo "\t\t<li>";
                if (isset($context["person"])) { $_person_ = $context["person"]; } else { $_person_ = null; }
                echo twig_escape_filter($this->env, $_person_, "html", null, true);
                echo "</li>
\t";
            }
            $_parent = $context['_parent'];
            unset($context['_seq'], $context['_iterated'], $context['_key'], $context['person'], $context['_parent'], $context['loop']);
            $context = array_merge($_parent, array_intersect_key($context, $_parent));
            // line 8
            echo "\t</ul>
";
        }
    }

    public function getTemplateName()
    {
        return "twig.html";
    }

    public function isTraitable()
    {
        return false;
    }

    public function getDebugInfo()
    {
        return array (  45 => 8,  35 => 6,  30 => 5,  27 => 4,  24 => 3,  17 => 1,);
    }
}

twig_orig.html

<h1>{{title}}</h1>

{% if show_people %}
	<ul>
	{% for person in people %}
		<li>{{person}}</li>
	{% endfor %}
	</ul>
{% endif %}