敏感词过滤

sensitive.php

function checkUploadText($content)
	{
		$stoptext = file_get_contents($this->CI->config->item('stopword_file'));
		$stoptext = str_replace("\n",'',$stoptext);
		$stoptext = str_replace("\r",'',$stoptext);
		$stopwords = array_map('strtolower',explode(',',$stoptext));
		$content = strtolower($content);

		$ret = array('ret'=>1,'word'=>'');
		if($content!='')
			foreach($stopwords as $row)
			{
				if(trim($row)!='')
				{
					if(strpos($content,$row)===false)
						continue;
					else
					{
						$ret = array('ret'=>0,'word'=>$row);
						break;
					}
				}
				
			}
		return $ret;	
	}