commit 48f6cbeef06b8306eacfd50115a016625d482d2e
Author: Ivor Barhansky <lopar@noreply.lopar.us>
Date:   Wed Apr 24 12:32:43 2024 +0000

    Add RegisterValidator.php

diff --git a/RegisterValidator.php b/RegisterValidator.php
new file mode 100644
index 0000000..4167d76
--- /dev/null
+++ b/RegisterValidator.php
@@ -0,0 +1,95 @@
+<?php
+
+class RegisterValidator
+{
+    private $login = '';
+    private $email = '';
+    private $password = '';
+    private $birthday = '';
+    private $sex = 0;
+
+    public function setLogin($login)
+    {
+        $login = preg_replace('!\s+!', ' ', $login); // remove inner spaces
+        $login = trim($login); // remove outer spaces
+        if ($this->loginIsAllowed($login) && !$this->loginIsMixed($login)) {
+            $this->login = $login;
+        }
+        return $this;
+    }
+
+    private function loginIsAllowed($login)
+    {
+        $disallowed = [
+            'Мироздатель',
+            'Мусорщик',
+            'Комментатор',
+        ];
+        $d = implode('|', $disallowed);
+        $pattern = "/\b($d)\b/iu";
+        return !preg_match($pattern, $login);
+    }
+
+    private function loginIsMixed($login)
+    {
+        $en = preg_match("/^(([0-9A-z -])+)$/iu", $login);
+        $ru = preg_match("/^([а-яёіїє\s\d]*)$/iu", $login);
+        return ($ru && $en) || (!$ru && !$en);
+    }
+
+    public function setEmail($email)
+    {
+        if (filter_var($email, FILTER_VALIDATE_EMAIL)) {
+            $this->email = $email;
+        }
+        return $this;
+    }
+
+    public function setPassword($password, $passwordVerify)
+    {
+        if ($this->password === $passwordVerify) {
+            $this->password = md5($password);
+        }
+        return $this;
+    }
+
+    public function setBirthday($birthday)
+    {
+        $bdate = DateTime::createFromFormat('Y-m-d', $birthday);
+        if ($bdate) {
+            $this->birthday = $bdate->format('d.m.Y');
+        }
+        return $this;
+    }
+
+    public function setSex($sex)
+    {
+        if ((int)$sex > 0) {
+            $this->sex = $sex;
+        }
+        return $this;
+    }
+
+    public function verify()
+    {
+        if (!empty($this->login) && !empty($this->email) && !empty($this->password) && !empty($this->birthday)) {
+            return [
+                'login' => $this->login,
+                'email' => $this->email,
+                'password' => $this->password,
+                'birthday' => $this->birthday,
+                'sex' => $this->sex,
+            ];
+        }
+        return [];
+    }
+}
+
+$rv = new RegisterValidator();
+$values = $rv
+    ->setLogin($login)
+    ->setPassword($pass1, $pass2)
+    ->setEmail($email)
+    ->setBirthday($birthday)
+    ->setSex($sex)
+    ->verify();