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Reply to topic   Topic: MySQL Close error

Joined: 03 May 2006
Posts: 65
Location: Manchester, UK

PostPosted: Thu 15 Feb '07 13:57    Post subject: MySQL Close error Reply with quote

On our internal customer database, I have two files called connect.php and close.php

$dbcnx = mysql_connect('ipaddress', 'username', 'password');
if (!$dbcnx) {
echo '<p>Unable to connect to the guestbook database server at this time.</p>';


I then call these two files using the include 'connect.php'; and include 'close.php'; at the appropriate part of the main pages.

However, I am getting the following error message when it executes the close command:-

Warning: mysql_close(): supplied argument is not a valid MySQL-Link resource in D:\Apache2\htdocs\443\custdata\close.php on line 2

The data being submitted is being written to the datebase, so there is no problem except for this error message.

I have searched on php.net and I think the problem is that the link is automatically closing itself before I call the close command.

I can suppress the error message using @ before the function name, but I'm wondering if this will suppress other error messages that I may need to know about?

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James Blond

Joined: 19 Jan 2006
Posts: 7334
Location: Germany, Next to Hamburg

PostPosted: Thu 15 Feb '07 15:05    Post subject: Reply with quote

Using mysql_close() isn't usually necessary, as non-persistent open links are automatically closed at the end of the script's execution.

For a better performance you should use mysql_pconnect
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