template parser

<?php
class Template  {
	private $words;

	public function SetKeywords($Setkeyword, $Setvalue){
		if(gettype($this->words) != 'array'){
			$this->words = array();
		}
		$array = array($Setkeyword => $Setvalue);
		$this->words = array_merge($array,$this->words);
	}

	public function ReplaceKeywords($maskContent) {
		if($this->words){
			if(!$maskContent || strlen($maskContent) == 0)
				return $maskContent;
			
			foreach($this->words as $keyword=>$value)
			{
				$keyword = '{$'.$keyword.'}';
				$maskContent = str_replace($keyword, $value, $maskContent);
			}
			return $maskContent;
		}
		else
		{ 
		return false; 
		}
	}

	public function GetReplaceKeywordCount($maskContent){
			if(!$maskContent || strlen($maskContent) == 0)
				return $maskContent;
			$count = array();
			foreach($this->words as $keyword=>$value){
				$searchWord = '{$'.$keyword.'}';
				$wordCount = substr_count($maskContent, $searchWord);
				if($wordCount > 0)
					$count[$keyword] = $wordCount;
			}
			return $count;
	}
}


$template = new Template;

$file_include = 'menu aqui'; // pegando o arquivo menu file_content etc...
$template->SetKeywords('hello_world', 'hello_world');
$template->SetKeywords('menu', $file_include);




$file = '{$hello_world} template // {$menu}';
var_dump($template->GetReplaceKeywordCount($file));


$file = $template->ReplaceKeywords($file);

echo $file; // return file



?>