make Item abstract

test.php

@@ -21,12 +21,12 @@ while ($row = $result->fetch_assoc()) {
 }
 
 echo "<table width='100%'><th colspan='2'>Товары магазина</th>";
-foreach ($iteminfo as $iinfo) {
+foreach ($iteminfo as $ii) {
     echo "<tr><td bgcolor='#d3d3d3'>";
-    $iinfo->printItemImage();
+    $ii->printImage();
     echo "</td>";
     echo "<td bgcolor='#d3d3d3'>";
-    $iinfo->printItemStats();
+    $ii->printStats();
     echo "</td></tr>";
 }
 echo "</table>";