PHP get overture keyword suggestions

function get_overture_results ( $term )
{
		$url = "http://inventory.overture.com/d/searchinventory/suggestion/?term=". urlencode ( $term ) ."&mkt=us&lang=en_US";
		$content = @file_get_contents ( $url );

		$content = strip_tags ( $content );
		$lines = explode ( "\n", $content );
		$result = array ();
		$i == 1;
		foreach ( $lines as $element ) {
			$first_letter = "";
			if ( substr ( $element, 0, 6 ) == " " ) {
				$element = str_replace ( " ", "", $element );
				if ( ( $i%2 ) ) {
					$number = trim ( $element );
				}
				else {
					$keyword = trim ( $element );
					preg_match ( "/^[+]?\d*$/", $number, $number_ver );
					if ( ! empty( $number_ver [ 0 ] ) ) {
						$result [ $keyword ] = $number;
					}
				}
			}
			$i ++;
		}
		return $result;
}