Add exams from exam100 to exam150

exam115/index.php

@@ -0,0 +1,40 @@
+<?php
+require '/var/www/nikola/practice/exam110/connect.inc.php';
+?>
+
+<form action="index.php" method="GET">
+    Choose a food type:
+    <select name="uh">
+        <option value="u">Unhealthy</option>
+        <option value="h">Healthy</option>
+    </select><br><br>
+    <input type="submit" value="Submit">
+</form>
+
+<?php
+
+if (isset($_GET['uh']) && !empty($_GET['uh'])) {
+    $uh = strtolower($_GET['uh']);
+
+    if ($uh == 'u' || $uh == 'h') { 
+
+        $query = "SELECT `food`, `calories` FROM `food` WHERE `healthy_unhealthy` = '$uh' ORDER BY `id` DESC";
+
+        if ($query_run = mysqli_query($con, $query)) {
+            if (mysqli_num_rows($query_run) == NULL) { // Ako je broj redova NULL 
+                echo "No results fount!";
+            } else {
+                while ($query_row = mysqli_fetch_assoc($query_run)) {
+                    $food = $query_row['food'];
+                    $calories = $query_row['calories'];
+
+                    echo $food . ' has ' . $calories . ' calories.<br>';
+                }
+            }
+        } else {
+            echo 'Query failed.';
+        }
+    } else {
+        echo 'Must be u or h';
+    }
+}