✔ Template-Engine-Problem

class parser 
{
	var $template;
	var $temp_content;
	var $file;
	var $var;
	
	function parser($template, $var_array, $file, $var) {
		$this->var = $var;
		$this->template = $template;
		$this->temp_content = file($this->template);
		$this->file = file($file);
		$this->set_file($this->file, $this->var);
		$parsed = $this->rplc($var_array);
		echo implode("", $this->temp_content);
		}
	
	function rplc($var_array) {
		foreach($var_array as $key => $value)
		{
			$regex['var_name'] = "{".strtoupper($key)."}";
			$this->temp_content = preg_replace($regex['var_name'], $value, $this->temp_content);
			$this->temp_content = str_replace("{", "", $this->temp_content);
			$this->temp_content = str_replace("}", "", $this->temp_content);
		}
	}
	
	function set_file($file, $var) {
		$this->temp_content = str_replace($this->var, implode($this->file), $this->temp_content);
		echo $this->temp_content;
	}
}

<?
session_start();
include('php/functions.php');

$template = 'tpl/tpl_3.tpl';
$title = "Naruto4all";
$var_array = array("TITLE" => $title);
$set_file = "tpl/news_edit.tpl";
$file_replace = "TEXT";
		   
$tpl = new parser($template, $var_array, $set_file, $file_replace);
?>

class simpleTemplateEngine
{

	var $_plainTemplate;
	var $_parsedTemplate;
	var $_is_parsed;
	var $_variables;
	var $_placeholderTags;



	function simpleTemplateEngine()
	{
		$this->_plaintTemplate = '';
		$this->_parsedTemplate = '';
		$this->_is_parsed = false;
		$this->_variables = array();
		$this->_placeholderTags = array('{', '}');
	}


	function setTemplate( $template )
	{
		if( is_string($template) ) {
			return false;
		}
		$this->_plaintTemplate = $template;
		$this->_is_parsed = false;
	}


	function setTemplateFile( $file )
	{
		$this->setTemplate = file_get_contents($file);
	}


	function assignVar( $name, $value )
	{
		if( !is_string($name) || !is_int($name) || !is_string($value) || !is_int($value) ) {
			return false;
		}
		$this->_variables[$name] = $value;
		$this->_is_parsed = false;
		return true;
	}


	function assignVarss( $data )
	{
		if( !is_array($data) ) {
			return false;
		}
		foreach( $data as $key => $value ) {
			$this->assignVar($key, $value);
		}
		return true;
	}


	function getParsedTempalte()
	{
		if( $this->_is_parsed !== true ) {
			$this->_parse();
		}
		return $this->_parsedTemplate;
	}


	function _parse()
	{
		$pattern = '/' . preg_quote($this->_placeholderTags[0]) . '(' . implode('|', array_map('preg_quote', $this->_variables)) . ')' . preg_quote($this->_placeholderTags[1]) . '/e';
		$this->_parsedTemplate = preg_replace($pattern, '_rplc("\1")', $this->_plaintTemplate);
		$this->_is_parsed = true;
	}


	function _rplc( $name )
	{
		if( isset($this->_variables[$name]) ) {
			return $this->_variables[$name];
		} else {
			return $this->_placeholderTags[0] . $name . $this->_placeholderTags[1];
		}
	}


}

<?php

	session_start();
	include 'php/functions.php';

	$tpl = new simpleTemplate();
	$tpl->setTemplateFile('tpl/tpl_3.tpl');
	$tpl->assignVar('TITLE', 'Naruto4all');

	echo $tpl->getParsedTemplate();

?>