<?php
class parser
{
	function parser($template_path,$data)
	{
		$this->data				= $data;
		$this->template_path	= $template_path;
		$this->pull_template();
		$this->line_change();
		echo implode ("
",$this->template_log);
	}

	function pull_template()
	{
		$template_file = fopen($this->template_path,"r");
		while(!feof($template_file))
		{
			$template[] = fgets($template_file);
		}
		fclose($template_file);
		$this->template = $template;
	}

	function line_change()
	{
		foreach ($this->template as $template_line)
		{
			$this->checkit = true;
			$this->check($template_line);
		}
	}
	
	function check($template_line)
	{
		if ($this->checkit == true)
		{
			$data = $this->data;

			foreach($data as $key => $value)
			{	
				$data_key = "{".$key."}";
				$data_value = $value;

				if(ereg($data_key,$template_line))
				{
					$this->checkit = true;
					$this->charge($data_key,$data_value,$template_line);
				} else {
				    $this->checkit = false;
				}
			}
			$this->check($template_line);

		} elseif ($this->check == false){
			$this->template_log[] = $template_line;
		}
	}

	function charge($data_key,$data_value,$template_line)
	{
		$template_line = str_replace($data_key,$data_value,$template_line);
		$this->check($template_line);
	}

}// END class 

	$template_path = "data.txt";
	$data	=	array(
					"title"		=>	"Test",
					"beruf"	=>	"bauer",
					"name"		=>	"Kai",
					"ort"		=>	"Bo{title}chum"
					);
	$parser	= new parser($template_path,$data);
?>