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Çåµ¥ 1. Access/get.php
<?php
function get_user_id( $name )
{
$db = mysql_connect( 'localhost', 'root', 'password' );
mysql_select_db( 'users' );
$res = mysql_query( "SELECT id from users WHERE login='".$name."'" );
while( $row = mysql_fetch_array( $res ) ) { $id = $row[0]; }
return $id;
}
var_dump( get_user_id( 'jack' ) );
?>
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¸Ã¼¼ÊõÓÐÁ½¸öºÜºÃµÄÌæ´ú·½°¸£ºPEAR DB Ä£¿éºÍ PHP Data Objects (PDO) Àà¡£Á½Õß¶¼´ÓÌØ¶¨Êý¾Ý¿âÑ¡ÔñÌṩ³éÏó¡£Òò´Ë£¬ÄúµÄ´úÂëÎÞÐèÌ«¶àµ÷Õû¾Í¿ÉÒÔÔÚ IBM® DB2®¡¢MySQL¡¢PostgreSQL »òÕßÄúÏëÒªÁ¬½Óµ½µÄÈÎºÎÆäËûÊý¾Ý¿âÉÏÔËÐС£
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ʹÓà PEAR DB µÄÌæ´ú´úÂëÈçÏÂËùʾ¡£
Çåµ¥ 2. Access/get_good.php
<?php
require_once("DB.php");
function get_user_id( $name )
{
$dsn = 'mysql://root:password@localhost/users';
$db =& DB::Connect( $dsn, array() );
if (PEAR::isError($db)) { die($db->getMessage()); }
$res = $db->query( 'SELECT id from users WHERE login=?',
array( $name ) );
$id = null;
while( $res->fetchInto( $row ) ) { $id = $row[0]; }
return $id;
}
var_dump( get_user_id( 'jack' ) );
?>
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