Finding Database Size - php & mysql

I want to find the database size using query?
How to get the database size of mysql in php?


The dbsize of mysql can be retrieved using the query "show table status'.
Follow the steps to find the DB size
Step 1:
Getting connection with the databse
$db = mysql_connect("hostname", "username","password"); //getting the mysql db connection by passing correct hostname,username and passowrd
mysql_select_db("dbname",$db); //there we pass the db name for which we want the size to be calculated. This is like calling "use dbanme";
Step 2:
The dbsize is the total of Index_length and Data_lenth columns of all the tables present in the database selected.
We will find the size with the below function

$result = mysql_query($sql); // This is the result of executing the query
while($row = mysql_fetch_array($result))// Here we are to add the columns 'Index_length' and 'Data_length' of each row
$total = $row['Data_length']+$row['Index_length'];
echo($total); // here we print the file size in bytes

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