Hi Avini,

Yes there is. You can connect to Odoo through XML-RPC calls. PHP is also an option for this (along with Python, Ruby and Java). 
You can find the full docs here: https://www.odoo.com/documentation/8.0/api_integration.html
For example to login through PHP:

$common = ripcord::client("$url/xmlrpc/2/common"); 
$common->version();
{
    "server_version": "8.0",
    "server_version_info": [8, 0, 0, "final", 0],
    "server_serie": "8.0",
    "protocol_version": 1,
}

So you could get about everything you'd like through PHP from your Odoo!

Yenthe