_start.sh

#!/bin/bash

if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ] || [ -z "$4" ]; then
echo "Hasznalat: $0 name port max_players rcon" ;
else
screen -dmS $1 /home/dedicated/cs2d_dedicated -max-players $2 -port $3 -rcon $4
echo "started: $1"
fi

======

chmod +x _start.sh

test.php:

<?php
$srv = Array(
"path" => "/var/www/_start.sh",
"name" => "test2",
"port" => "808080",
"maxplayers" => "32",
"rcon" => "rconpass",
);
//Array feldolgozása ide a fenti helyett...

sendAction($srv["path"], $srv["name"], $srv["port"], $srv["maxplayers"], $srv["rcon"]);

function sendAction($path, $name, $port, $maxplayers, $rcon) {
    passthru($path." ".$name." ".$port." ".$maxplayers." ".$rcon." 2>&1");
}
?>

http://localhost/test.php