PHP error mysql_close() boolean given

PHP error mysql_close() boolean given

By : odix
Date : November 25 2020, 01:01 AM
I wish this help you If you look at the documentation for mysql_select_db() the first thing you see is the big red box that says you shouldn't use mysql_ functions anymore.
That out of the way, the page also says that the function returns true on success and false on error. That means you're overwriting the variable that holds the connection ($this->link) with a boolean, which causes the error later when you try to close it.
code :

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Do I really need to do mysql_close()

Do I really need to do mysql_close()

By : Randy Doank
Date : March 29 2020, 07:55 AM
may help you . In most cases calling mysql_close will not make any difference, performance-wise. But it's always good practice to close out resources (file handles, open sockets, database connections, etc.) that your program is no longer using.
This is especially true if you're doing something that may potentially take a few seconds - for instance, reading and parsing data from a REST API. Since the API call is going over the line, negative network conditions can cause your script to block for several seconds. In this case, the appropriate time to open the database connection is after the REST call is completed and parsed.
mysql_query(), mysql_num_rows(), mysql_close() error when logging in

mysql_query(), mysql_num_rows(), mysql_close() error when logging in

By : Loki
Date : March 29 2020, 07:55 AM
around this issue This means that $connection is no valid connection, but a boolean. mysql_connect() returns false (a boolean) if the connection fails - otherwise it returns a ressource for further MySQL processing. You can see the error with the function mysql_error() and you can (because it is a boolean) do something like this:
code :
$connection = mysql_connect("localhost", "root", "Oliver") or die(mysql_error());
Fatal error: Uncaught Error: Call to undefined function mysql_close()

Fatal error: Uncaught Error: Call to undefined function mysql_close()

By : user2802777
Date : March 29 2020, 07:55 AM
will be helpful for those in need Use $conn3->close(); instead of mysql_close($conn3);
You are using mysqli to open connection and then trying to close connection using mysql.
using mysql_close()

using mysql_close()

By : user3835646
Date : March 29 2020, 07:55 AM
seems to work fine In the manual :
Getting Mysql_Close Error

Getting Mysql_Close Error

By : Satheesh Kumar Raja
Date : March 29 2020, 07:55 AM
I hope this helps . I am receiving a mysql_close() error for the bellow code, although as I see it the syntax is correct. It opens fine, the variable is correct. Any suggestions? Code is live here (http://obsidianpunch.com/Summer) error is Warning: mysql_close(): 5 is not a valid MySQL-Link resource in /home/content/53/7382753/html/Summer/wootsummer.php on line 97 , A quick browse showed multiple copies of:
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