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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$_POST = [
'send' => 1,
'username' => 2,
'password' => 3,
];
if(isset($_POST['send'])){
$username = $_POST['username'];
$password = $_POST['password'];
$errors = [];
if(mb_strlen($username) < 4 || mb_strlen($username) > 20){
$errors['username'] = "ник должен быть больше 4 и меньше 20";
}
if(mb_strlen($password) < 5 || mb_strlen($password) > 80){
$errors['password'] = "Пароль должен быть больше 5 и меньше 80";
}
if(empty($errors)){
echo "Все четко вы зарегались";
}else{
header("Location: index.php");
}
}
var_dump($errors);