php+mysql prepare 与普通查询的性能对比实例讲解

<"select username,email from uc_members where uid < 100000"); 
$result = array(); 
http://www.manongjc.com/article/1194.html
while($result = $query->fetch_array()) 
{ 
  $result[] = array('name'=>$result['username'],'email'=>$result['email']); 
} 
*/ 
$query_prepare = $mysql->prepare("select username,email from uc_members where uid < "); 
 
$id = 100000; 
$query_prepare->bind_param("i",$id); 
 
$query_prepare->execute(); 
$query_prepare->bind_result($username,$email); 
 
$result = array(); 
while($query_prepare->fetch()) 
{ 
  $result[] = array('name'=>$username,'email'=>$email); 
} 
 
$timer->stop();  
echo '</br>预查询mysql运行100000条数据时间为: '.$timer->spent();  
unset($timer);  
//var_dump($result);