Connect to a server from a webserver with SSH and run shell.sh

Lets say: You have [login to view URL] file and this ppk has Passpharase. You will develop a single php page. It will have only one button called "Run". When user hits "Run" button, php will connect to [login to view URL] (IP adress), port:2202 using [login to view URL] file via SSH (Remember .ppk has passpharase) and execute a shell script which is already in the server. Shell Script location and name can be hard coded in the php. After the execution, it will display the result of shell script under the "Run" button. Webserver is able to exec, shell_exec. That's all. Waiting for reasonable bids.