Question

php如何判断SQL语句的查询结果是否为空

Answer 1

$sql =mysql_query( "select * from tv_video where title like '%$keyword%' limit $offset,$PageSize");
$result=mysql_fetch_array($sql);
if(!empty($result)){
while($result=mysql_fetch_array($sql)){echo "hello word!"}
if(!empty($result)){
echo "记录为空";
}