php执行非缓冲查询API php怎样执行非缓冲查询API
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对于PHP的缓冲模式查询大家都知道,下面列举的例子是如何执行非缓冲查询API。
非缓冲查询方法一: mysqli
<?php $mysqli = new mysqli("localhost", "my_user", "my_password", "world"); $uresult = $mysqli->query("SELECT Name FROM City", MYSQLI_USE_RESULT); if ($uresult) { while ($row = $uresult->fetch_assoc()) { echo $row['Name'] . PHP_EOL; } } $uresult->close(); ?>
非缓冲查询方法二: pdo_mysql
<?php $pdo = new PDO("mysql:host=localhost;dbname=world", 'my_user', 'my_pass'); $pdo->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, false); $uresult = $pdo->query("SELECT Name FROM City"); if ($uresult) { while ($row = $uresult->fetch(PDO::FETCH_ASSOC)) { echo $row['Name'] . PHP_EOL; } } ?>
非缓冲查询方法三: mysql
<?php $conn = mysql_connect("localhost", "my_user", "my_pass"); $db = mysql_select_db("world"); $uresult = mysql_unbuffered_query("SELECT Name FROM City"); if ($uresult) { while ($row = mysql_fetch_assoc($uresult)) { echo $row['Name'] . PHP_EOL; } } ?>
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