ユーザのパスワード認証のための DB 追加

modules/user.mod.php

@@ -0,0 +1,50 @@
+<?php
+
+class
+User
+{
+  private $db;
+
+  private $id;
+  var     $name;
+  var     $pass;
+
+  function
+  __construct ()
+  {
+    $config = include ('./config.php');
+
+    $db_host = $config['host'];
+    $db_port = $config['port'];
+    $db_user = $config['user'];
+    $db_pass = $config['pass'];
+
+    $this -> db = new mysqli ($db_host, $db_user, $db_pass, 'goatoh_training',
+                              $db_port);
+  }
+
+  public static function
+  find (
+      int $id):
+  Self
+  {
+    $sql = "
+        SELECT
+          *
+        FROM
+          user
+        WHERE
+          id = $id";
+    $result = $this -> db -> query ($sql) or die ("db_select error $sql");
+
+    $row = $this -> db -> fetch_array ($result);
+
+    $self = new Self;
+    $self -> id = $id;
+    $self -> name = $row['name'];
+    $self -> pass = $row['pass'];
+
+    return $self;
+  }
+}
+