first commit

class/class.Query.php

@@ -0,0 +1,52 @@
+<?php
+
+class Query
+{
+    // SQL Query parts
+    public $fields = ' * ';
+    public $from = '';
+    public $where = ' 1 ';
+    public $order = '';
+    public $group = '';
+    public $having = '';
+    public $limit = '';
+
+    // Bound parameters
+    public $data = [];
+    public $types = [];
+
+    public function getQuery()
+    {
+        $query = "SELECT {$this->fields}\nFROM {$this->from}\nWHERE {$this->where}";
+
+        if ($this->group) {
+            $query .= "\nGROUP BY {$this->group}";
+        }
+
+        if ($this->order) {
+            $query .= "\nORDER BY {$this->order}";
+        }
+
+        if ($this->having) {
+            $query .= "\nHAVING {$this->having}";
+        }
+
+        if ($this->limit) {
+            $query .= "\nLIMIT {$this->limit}";
+        }
+
+        return $query;
+    }
+
+    public function execute()
+    {
+        $query = $this->getQuery();
+
+        return sqlQuery($query, $this->data, $this->types);
+    }
+
+    public function addData($data)
+    {
+        $this->data = array_merge($this->data, $data);
+    }
+}