mysql_get_server_info

(PHP 4 >= 4.0.5, PHP 5, PECL mysql:1.0)

mysql_get_server_info — Get MySQL server info

說明

string mysql_get_server_info ([ resource $link_identifier ] )

Retrieves the MySQL server version.

參數

link_identifier: MySQL 的連接識別符。如果沒有指定，預設使用最後被 mysql_connect() 打開的連接。如果沒有找到該連接，函式會嘗試呼叫 mysql_connect() 建立連接並使用它。如果發生意外，沒有找到連接或無法建立連接，系統發出 E_WARNING 級別的警告信息。

Return值

Returns the MySQL server version on success, or FALSE on failure.

範例

Example#1 mysql_get_server_info() example


<?php
$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
if (!$link) {
    die('Could not connect: ' . mysql_error());
}
printf("MySQL server version: %s\n", mysql_get_server_info());
?>

上例的輸出類似於：

MySQL server version: 4.0.1-alpha

參見

mysql_info

mysql_get_proto_info

Last updated: Sun, 25 Nov 2007

add a note User Contributed Notes
mysql_get_server_info

cmscoder at seasamecreek dot info
16-May-2008 11:55


Here is something I put together because I needed a way to pull the MySQL version number from the server without actually having a connection.  This was due to being part of a server info screen prior to installation of a cms.  Users need to know if their MySQL is supported or not prior to installation right? :)





This will scrape the phpinfo page looking for the MySQL row that says Client API version and return the version number after it.  This could also be used to scrape just about anything from the phpinfo page. :)





ob_start();


phpinfo(INFO_MODULES);


$info = ob_get_contents();


ob_end_clean();


$info = stristr($info, 'Client API version');


preg_match('/[1-9].[0-9].[1-9][0-9]/', $info, $match);


$gd = $match[0];


echo 'MySQL:  '.$gd.' <br />';





This will output:


MySQL: 4.1.22 (which is the version on my server)





I know this is crude but it's the only thing I could come up with and there isn't anything like this info available online so here it is.  I suck at preg_match and it would be helpful if someone could modify the string here to stand the test of time.

Kalle Sommer Nielsen
29-May-2007 11:54


An alternative to mysql_get_client_info() is to use the VERSION() function in MySQL language like:



<?php

$query = mysql_query("SELECT VERSION() as mysql_version");

?>



The output is the same as mysql_get_client_info()

cNOooSPAMlmax1 at o2 dot pl
08-Jul-2006 11:27


That's better:



<?php

mysql_connect('localhost', 'user', 'password') or

   die('Could not connect: ' . mysql_error());

$a = mysql_get_server_info();

$b = substr($a, 0, strpos($a, "-"));

echo $b;

?>

add a note

mysql_info

mysql_get_proto_info

Last updated: Sun, 25 Nov 2007