What is mysql pconnect in PHP
In this article I am going to explain about mysql_pconnect function in PHP.
PHP mysql_pconnect() Function
The PHP mysql_pconnect function opens a persistent connection to MySQL database from php script. The advantage of mysql_pconnect over mysql_connect function is that, you do not need to close the connection like mysql_connect function and it also keeps the connection live even the script execution is over.
Syntax of mysql_pconnect function
| mysql_pconnect(server, user, pwd, clientflag) |
Parameters in mysql_pconnect function
It have four parameter:
| Parameter |
Description |
| server |
It specifies mysql server name. |
| user |
It specifies username for login. |
| pwd |
It specified password for login. |
| clientflag |
Clientflag parameter can be combination of many of constants. |
Example of mysql_pconnect function
|
<?php
$con=mysql_pconnect("localhost","gupta","sharad");
if(!$con)
{
die("Could not connect:".mysql_error());
}
else
{
echo "Connection established successfully";
}
//Here you do not need to close the connection.
?>
|
Output:
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