first commit

core/pec.php

@@ -0,0 +1,38 @@
+<?php
+class PEC {
+
+    protected $connection = null;
+
+    public function connect() {
+        // we don't need to connect twice
+        if ( $this->connection ) {
+            return;
+        }
+        // data for making connection            
+        $mssql_server = $_ENV['PEC_DB_HOST'];
+        $mssql_data = array("UID" => $_ENV['PEC_DB_USER'],
+                        "PWD" => $_ENV['PEC_DB_PASS'],
+                        "Database" => $_ENV['PEC_DB_NAME']);
+        // try to connect                    
+        $this->connection = sqlsrv_connect($mssql_server, $mssql_data);
+        if(! $this->connection){
+            return 'Failed to connect to host';
+        }
+    }
+
+    public function getData ($query) {
+        // reset results; is this really needed as object's variable? Can't it be just local function's variable??
+        $this->data_array = array();
+        $result = $this->query($query);
+        while ($row = sqlsrv_fetch_array($result)) {
+            $this->data_array[] = $row;                                                    
+        }
+        return $this->data_array;                     
+    }
+
+    public function query($query) {
+        $result = sqlsrv_query($this->connection, $query) or die("This Query didn't work.. [QUERY = ".$query."]");
+        return $result;
+    }
+
+}