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
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<?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
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<?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
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<?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; } } ?> |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。