Úspěšné create database

www2databaze/zaci.php

@@ -1,23 +1,19 @@
 <?php
-$db_host = "127.0.0.1";
-$db_user = "kankys.jr";
-$db_password = "Heslo123";
-$db_name = "skola";
-
-$connection = mysqli_connect($db_host, $db_user, $db_password, $db_name);
-if (mysqli_connect_error()) {
-    echo mysqli_connect_error();
-    exit();
-}
-
-//echo "Úspěšné přihlášení do databáze";
+global $connection;
+require "database.php";
 
 $sql = "SELECT * FROM student";
-//echo "<br>";
+
 $result = mysqli_query($connection, $sql);
-//var_dump($result);
-//echo "<br>";
-$students = mysqli_fetch_all($result, MYSQLI_ASSOC);
+
+if ($result === false) {
+    echo mysgli_error($connection);
+} else {
+    $students = mysqli_fetch_all($result, MYSQLI_ASSOC);
+}
+
+
+
 //var_dump($students);
 
 ?>
@@ -41,6 +37,7 @@ $students = mysqli_fetch_all($result, MYSQLI_ASSOC);
   <ul>
       <?php foreach ($students as $one_student): ?>
 <li><?php echo $one_student["first_name"]. " " .$one_student["second_name"] ?></li>
+      <a href="jeden-zak.php?id=<?= $one_student['id'] ?>">Více informací</a>
       <?php endforeach; ?>
 
   </ul>