时间:2021-07-01 10:21:17 帮助过:25人阅读
- <?php
- /**
- * 测试pdo和mysqli的执行效率
- */
- header("Content-type:text/html;charset=utf-8");
- //通过pdo链接数据库
- $pdo_startTime = microtime(true);
- $pdo = new PDO("mysql:host=localhost;dbname=test","root","1234",array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES‘utf8‘;"));
- for($i=1;$i<=100;$i++){
- $title = "pdo标题".$i;
- $content = "pdo内容".$i;
- $addtime = time();
- $user_id = $i;
- $pdo_sql = "INSERT INTO `article`(`title`,`content`,`addtime`,`user_id`) VALUES(:title,:content,:addtime,:user_id)";
- $sth = $pdo->prepare($pdo_sql);
- $sth->bindParam(‘:title‘,$title);
- $sth->bindParam(‘:content‘,$content);
- $sth->bindParam(‘:addtime‘,$addtime);
- $sth->bindParam(‘:user_id‘,$user_id);
- $sth->execute();
- }
- $pdo_endTime = microtime(true);
- $pdo_time = $pdo_endTime - $pdo_startTime;
- echo $pdo_time;
- echo "<hr/>";
- //通过mysql链接数据库
- $mysqli_startTime = microtime(true);
- $mysqli = mysqli_connect("localhost","root","1234","test") or die("数据连接失败");
- mysqli_query($mysqli,"set names utf8");
- for($i=1;$i<=100;$i++){
- $title = "mysqli标题".$i;
- $content = "mysqli内容".$i;
- $addtime = time();
- $user_id = $i;
- $sql = "INSERT INTO `article`(`title`,`content`,`addtime`,`user_id`) VALUES(‘".$title."‘,‘".$content."‘,".$addtime.",".$user_id.")";
- mysqli_query($mysqli,$sql);
- }
- $mysqli_endTime = microtime(true);
- $mysqli_time = $mysqli_endTime - $mysqli_startTime;
- echo $mysqli_time;
- echo "<hr/>";
- if($pdo_time > $mysqli_time){
- echo "pdo的执行时间是mysqli的".round($pdo_time/$mysqli_time)."倍";
- }else{
- echo "mysqli的执行时间是pdo的".round($mysqli_time/$pdo_time)."倍";
- }
测试结果:其实经过多次测试,pdo和mysqli的执行效率差不多。
php中使用mysqli和pdo扩展,测试mysql数据库的执行效率。
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