CodeIgniter - Tokenizer Helper

tokenizer_helper.php

<?php 
Class Tokenizer {
	
	public $dataIn = "";
	public $response_header = "";
	
	function __construct($linkIn = '', $link = true) {
		if ($link) {
			$arrContextOptions=array(
				"ssl"=>array(
					"verify_peer"=>false,
					"verify_peer_name"=>false,
				),
			);  

			$this->dataIn = @file_get_contents($linkIn, false, stream_context_create($arrContextOptions));
			if (isset($http_response_header)) {
				$this->response_header = $http_response_header;
			} else {
				$this->response_header = '?';
			}
        	} else {
           		$this->dataIn = $linkIn;
        	}
    	}
	
	public function eraseTo($target) {
        	$token_pos = strpos($this->dataIn,$target);
        	$token_found = false;
		if ($token_pos === false) {
            		$token_found = false;
			$this->dataIn = substr_replace($this->dataIn, "", 0, strlen($this->dataIn));
		} else {
           		$token_found = true;
			$this->dataIn = substr_replace($this->dataIn, "", 0, $token_pos+strlen($target));
        	}
        	return $token_found;
	}
	
	public function getTo($target) {
        	$token_pos = strpos($this->dataIn,$target);
		if ($token_pos === false) {
            		return substr($this->dataIn, 0, strlen($this->dataIn));
        	} else {
			return substr($this->dataIn, 0, $token_pos);
		}
	}
    
	public function getToEnd() {
		return substr($this->dataIn, 0, strlen($this->dataIn));
	}
    
    	public function find($target) {
        	$token_pos = strpos($this->dataIn,$target);
        	return $token_pos;
    	}
    
	
}
?>