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<?php 
 require __DIR__.'/vendor/autoload.php';
 
 $rules = [
 'username' => ['required' => true, ],
 'email' => ['required' => true],
 'password' => ['required' => true, ],
 ];
 $validation = new Validation($_POST,$rules,'input');
 if($validation->fail()){
 $errors = $validation->error()->get();
 
 foreach ($errors as $error) {
 foreach ($error as $value) {
 echo $value."<br>";
 }
 }
 } else {
 //TO-Do create the user
 }
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