一个标准的php链接mysql数据库的代码，并提供简单的查询范例
<?php
//create db connection
$connection = mysql_connect("localhost", "user", "password");
if(!$connection)
{
die("Database connection failed:" . mysql_error());
}
// select a dtabase to use
$db_select = mysql_select_db("database name", $connection);
if(!$db_select)
{
die("Database selection failed:" . mysql_error());
}
?>
<body>
$result = mysql_query("SELECT * FROM tablename", $connection);
while ($row = mysql_fetch_array($result))
{
echo $row["rownamehere"]." ".$row["rownamehere"]."<br/>";
}
?>
</body>
<?php
mysql_close($connection);
?>
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