Start on HW

homework/2/counterDB/impl/.htaccess

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+Order deny,allow
+Deny from all
+Allow from 127.0.0.1

homework/2/counterDB/impl/functions.php

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+<?php
+include_once "./impl/queries.php";
+
+function getHits($id, $db)
+{
+  global $getHitsQuery;
+  $stmt = $db->prepare($getHitsQuery);
+  $stmt->bindValue(":SID", $id);
+  $stmt->execute();
+  $hits = $stmt->fetch(PDO::FETCH_COLUMN);
+  return $hits !== false ? $hits : 0;
+}
+
+function addHit($id, $db)
+{
+  global $setHitsQuery;
+  $stmt = $db->prepare($setHitsQuery);
+  $stmt->bindValue(":SID", $id);
+  $stmt->execute();
+}

homework/2/counterDB/impl/queries.php

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+<?php
+$getHitsQuery = "
+  SELECT
+    hits
+  FROM
+    Counter
+  WHERE
+    siteID LIKE :SID";
+
+$setHitsQuery = "
+  INSERT INTO
+    Counter(siteID, hits)
+  VALUES
+    (:SID, 1)
+  ON DUPLICATE KEY UPDATE
+    hits = hits + 1";