Init commit

registration.php

@@ -0,0 +1,43 @@
+<?php
+require_once __DIR__ . "/classes/MyDB.php";
+
+$title = 'Registration';
+$res = '';
+
+if ($_POST['name'] === '' || $_POST['pass'] === '') {
+    $res = 'All strings required!';
+    unset($_POST);
+}
+
+if ($_POST['submit'] === 'OK') {
+    $name = $_POST['name'];
+    $pass = password_hash($_POST['pass'], PASSWORD_DEFAULT);
+    
+    global $db;
+    
+    $result = $db->query("SELECT * FROM users WHERE name = '$name'");
+    $arr = $result->fetchArray();
+    if ($arr !== false) {
+      $res = "This name is already used!";
+    } else {
+        $db->exec("INSERT INTO users (name, pass) VALUES ('$name', '$pass')");
+        header("Location: index.php");
+    }
+}
+
+?>
+
+<?php require_once 'templates/header.php'; ?>
+
+<div class="auth">
+    <h1>Registration</h1>
+    <form action="registration.php" method="post">
+        <p><input type="text" name="name" id="name" placeholder="Name"></p>
+        <p><input type="password" name="pass" id="pass" placeholder="Password"></p>
+        <p class="error"><?= $res; ?></p>
+        <p><input type="submit" value="OK" name="submit"></p>
+    </form>
+    <p><a href="index.php">Authorization</a></p>
+</div>
+
+<?php include_once 'templates/footer.php'; ?>