<?php

	class kSearchHelper extends kHelper {
	
		
		/**
		 * Splits search phrase into keyword using quotes,plus and minus sings and spaces as split criteria
		 *
		 * @param string $keyword
		 * @return string
		 */
		function splitKeyword($keyword)
		{
			$quotes_re = '/([+\-]?)"(.*?)"/';
			$no_qutes_re = '/([+\-]?)([^ ]+)/';
			
			$quoted_kw = preg_match_all($quotes_re, $keyword, $res);
			foreach ($res[2] as $index => $kw) $final[$kw] = $res[1][$index];
			$keyword = preg_replace($quotes_re, '', $keyword);
			$not_quoted_kw =  preg_match_all($no_qutes_re, $keyword, $res);
			foreach ($res[2] as $index => $kw) $final[$kw] = $res[1][$index];
			
			return $final;
		}
		
	}

?>