XML-compliant PHP+Smarty embedded template.

<?php

require_once 'console_hack.php';
require_once '_library_init.php';

$smarty = new Smarty();

$smarty->setConfigDir( $_SERVER['DOCUMENT_ROOT']);

if(!is_dir($_SERVER['DOCUMENT_ROOT'] . '/cache'))
  mkdir($_SERVER['DOCUMENT_ROOT'] . '/cache');
$smarty->setCacheDir(  $_SERVER['DOCUMENT_ROOT'] . '/cache');

if(!is_dir($_SERVER['DOCUMENT_ROOT'] . '/cache/templates'))
  mkdir($_SERVER['DOCUMENT_ROOT'] . '/cache/templates');
$smarty->setCompileDir($_SERVER['DOCUMENT_ROOT'] . '/cache/templates');

// add before current plugins directory:
$pluginsDirs = $smarty->getPluginsDir();
if(!is_dir($_SERVER['DOCUMENT_ROOT'] . '/plugins'))
  mkdir($_SERVER['DOCUMENT_ROOT'] . '/plugins');
array_unshift($pluginsDirs, $_SERVER['DOCUMENT_ROOT'] . '/plugins');
$smarty->setPluginsDir($pluginsDirs);

$smarty->force_compile = defined('TEST_FORCE_COMPILE') ? TEST_FORCE_COMPILE : true;

$smarty->registerFilter('pre',
  function($tpl_source, Smarty_Internal_Template $template)
  {
    $stack = stristr($tpl_source, '__HALT' . '_COMPILER');
    $tpl = substr($stack, strpos($stack, '?'.'>') + 2);
    return $tpl ?: $tpl_source;
  }
);

$smarty->left_delimiter = '<![CDATA[';
$smarty->right_delimiter = ']]>';
$smarty->assign('equip', array(
    'helmet',
    'chestplate',
    'leggings',
    'boots',
  ));
$smarty->assign('wield', array('equipped',));
$smarty->display(__FILE__);
__halt_compiler();
?><?xml version="1.0" encoding="UTF-8"?>
<config>
    <lines at="topleft">
        <line>
            <str>Day {day}, </str>
            <if>
                <var>daytime</var>
                <str>$2</str>
                <str>$4</str>
            </if>
            <str>{mctime}$r</str>
        </line>
        <line>
            <str>Light: </str>
            <max>
                <var>light</var>
                <num>7.5</num>
                <str>$e</str>
                <str>$c</str>
            </max>
            <var>light</var>
            <str>$r / </str>
            <max>
                <var>lightfeet</var>
                <num>7.5</num>
                <str>$e</str>
                <str>$c</str>
            </max>
            <var>lightfeet</var>
            <str>$r</str>
        </line>
        <line>
            <str> </str>
        </line>
<![CDATA[foreach $equip as $item]]>
        <line>
            <if>
                <equal>
                    <var><![CDATA[$item]]>name</var>
                    <str/>
                </equal>
                <str/>
                <concat>
                    <str>{<![CDATA[$item]]>icon} {<![CDATA[$item]]>name} </str>
                    <if>
                        <greater>
                            <var><![CDATA[$item]]>damageleft</var>
                            <num>0</num>
                        </greater>
                        <op>
                            <str>gt</str>
                            <pct>
                                <var><![CDATA[$item]]>damageleft</var>
                                <var><![CDATA[$item]]>maxdamage</var>
                            </pct>
                            <num>50</num> <num>20</num> <num>10</num>
                            <str>$e</str> <str>$6</str> <str>$c</str> <str>$4</str>
                        </op>
                    </if>
                    <max>
                        <var><![CDATA[$item]]>damageleft</var>
                        <num>0.5</num>
                        <str>{<![CDATA[$item]]>damageleft}$r / $e{<![CDATA[$item]]>maxdamage}</str>
                        <str/>
                    </max>
                </concat>
            </if>
        </line>
<![CDATA[/foreach]]>
        <line>
            <if>
                <and>
<![CDATA[foreach $equip as $item]]>
                    <equal><str/><var><![CDATA[$item]]>name</var></equal>
<![CDATA[/foreach]]>
                </and>
                <str/>
                <str> </str>
            </if>
        </line>
<![CDATA[foreach $wield as $item]]>
        <line>
            <if>
                <equal>
                    <var><![CDATA[$item]]>name</var>
                    <str/>
                </equal>
                <str/>
                <concat>
                    <str>{<![CDATA[$item]]>icon} {<![CDATA[$item]]>name} </str>
                    <if>
                        <greater>
                            <var><![CDATA[$item]]>damageleft</var>
                            <num>0</num>
                        </greater>
                        <op>
                            <str>gt</str>
                            <pct>
                                <var><![CDATA[$item]]>damageleft</var>
                                <var><![CDATA[$item]]>maxdamage</var>
                            </pct>
                            <num>50</num> <num>20</num> <num>10</num> <num>0</num>
                            <str>$e</str> <str>$6</str> <str>$c</str> <str>$4</str>
                            <str/>
                        </op>
                    </if>
                    <max>
                        <var><![CDATA[$item]]>damageleft</var>
                        <num>0.5</num>
                        <str>{<![CDATA[$item]]>damageleft}$r / $e{<![CDATA[$item]]>maxdamage}</str>
                        <str/>
                    </max>
                </concat>
            </if>
        </line>
<![CDATA[/foreach]]>
        <line>
            <if>
                <equal>
                    <var>equippedname</var>
                    <str/>
                </equal>
                <str/>
                <str> </str>
            </if>
        </line>
<![CDATA[for $i=0 to 15]]>
        <line>
            <if>
                <var>potionnegative<![CDATA[$i]]></var>
                <str>$c</str>
            </if>
            <op>
                <str>eq</str>
                <str/>
                <var>potioneffect<![CDATA[$i]]></var>
                <str/>
                <str>{potionicon<![CDATA[$i]]>} {potioneffect<![CDATA[$i]]>}$r </str>
            </op>
            <max>
                <var>potiondurationticks<![CDATA[$i]]></var>
                <num>10</num>
                <str>{yellow}{potionduration<![CDATA[$i]]>}{reset}</str>
                <str/>
            </max>
        </line>
<![CDATA[/for]]>    </lines>
</config>