PHP connects to mssql database Beginner's PHP Notes_PHP Tutorial

Copy code The code is as follows:

$serverSite=".";
$db=" phpdemo";
$name="sa";
$pass="sa";
$conn=@mssql_connect($serverSite,$name,$pass) or die("Database connection error!" );
@mssql_select_db("phpdemo",$conn);
echo 'this can be use!';
$ok=@mssql_query("insert into test (name)values('ossem') ",$conn);
echo 'this database is :'.$conn;
if($ok)
{
echo "ok";
}else
{
echo "false";
}
?>

If the link between PHP and MySQL is implemented, the link between PHP and MSSQL is actually very simple;
Supports MSSQL Local link and remote link, taking local link as an example:
MS SQLServer 2005 is installed on the machine;
Configure the system before connection:
1. Check the file php5.2.5ntwdblib.dll. By default, there is one below, which cannot be Connect and replace.
Download the correct version of ntwdblib.dll (2000.80.194.0), address: http://webzila.com/dll/1/ntwdblib.zip
2. Configure php
a. Open php.in remove the comment symbol of extension=php_mssql.dll.
b. Open php.in and change mssql.secure_connection = Off to on.
c. Copy php_mssql.dll to the directory specified by extension_dir in php.in or the system system32 directory. (php_mssql.dll is included in the compressed installation package of php).
After completing the above steps, you need to restart apache.
Note: In actual use, it was found that if you manually install php to iis through a php compressed file, you must restart the machine and not just iis.
3. Configure sqlserver
a. Run SQL Server Configuration Manager: SQL Server Configuration Manager, open Protocols
b. Allow named pipes "named pipes" and "tcp/ip"
c. Right-click "tcp/ip" and open the Properties tab "IP addresses"
d. Fill in 1433 in the TCP dynamic port "TCP Dynamic Ports"
e. Restart SQL Server


4. Use the following method to connect to MS SQL Server 2005:
The code is as follows:

Copy the code The code is as follows:

< ;?php
//Link database
$conn=mssql_connect('localhost','sa','123456');
mssql_select_db('gu_dde',$conn);
//query Statement
$Query="select * from dde_top";
$AdminResult=mssql_query($Query);
//Output result
$Num=mssql_num_rows($AdminResult);
for( $i=0;$i<$Num;$i++)
{
$Row=mssql_fetch_array($AdminResult);
echo($Row[1]);
echo("< br/>");
}
?>

You can see that these functions correspond to MySQL functions and are very convenient to use!

5.FAQ:
1 error:
Fatal error: Call to undefined function mssql_connect()
Solution:
Use MSSQL_series functions
To use this Both need to be set in php.ini:
(1) To allow DCOM, you need to remove the semicolon ";" before ;com.allow_dcom=TRUE in php.ini.
(2) To use MSSQL extension, you need to remove the semicolon ";" before ;extension=php_mssql.dll in php.ini. (Key)
(3) Confirm extension_dir is the correct path, take this machine as an example: extension_dir = "c:AppServphp5ext".
(4) If the machine still reports an error saying that c:AppServ php5extphp_mssql.dll cannot be found but this file obviously exists.
Solution: Copy php_mssql.dll and ntwdblib.dll to the system directory system32 and restart the test. .
(Note: The above two dll files are not in the same directory. Mine is c:AppServphp5ext php_mssql.dll; c:AppServphp5ntwdblib.dll)
In addition, remember to restart the server after setting it up.
6. Other questions:
If php apache Sql Server2000 is on the same machine, there will be basically no problem accessing it.
If Sql Server2000 and PHP machines are separated, you need to confirm that the machine name of the machine where SQLServer is located can be pinged. If it cannot be passed, modify the hosts file under system32driversetc of the machine where PHP is located and add a line of the machine IP of the machine where SQLServer is located. The machine name of the machine.
If you still cannot access it, you need to confirm whether the machine where php is located has a secret conversion to mdac. How about simply installing the sqlserver client.

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