Auto complete php

<!--- auto complete html --->
<!DOCTYPE html>
<html>
<head>
    <title>Autocomplete</title>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-3-typeahead/4.0.2/bootstrap3-typeahead.min.js"></script>
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" />
</head>
<body>
<br /><br />
<div class="container" style="width:600px;">
    <label>Pessoa</label>
    <input type="text" name="Pessoa" id="Campo_Pesquisa" class="form-control input-lg" autocomplete="off" placeholder="Digite o nome da pessoa" />
    <label>Id</label>
    <input type="text" name="Id" id="Id_Pessoa" class="form-control input-lg" autocomplete="off" placeholder="Id da pessoa" />

</div>

<script>
    $(document).ready(function(){
        $('#Campo_Pesquisa').typeahead({
            source: function(query, result)
            {
                $.ajax({
                    url:"BuscaPessoa.php",
                    method:"POST",
                    data:{query:query},
                    dataType:"json",
                    success:function(data)
                    {
                        result($.map(data, function(item){
                            return item;
                        }));
                    }
                })
            }
        });

    });
</script>
</body>
</html>

<!--- auto complete html --->

<!--- auto complete php consulta BuscaPessoa.php --->

<?php
header('Content-Type: application/json; charset=utf-8');
require "../../Includes/Config/ConfigSystem.php";
require "../../Includes/Functions/Seguranca.php";
require "../../Includes/Databases/MySQL_Default_System.php";

$SQL_Busca = "
SELECT SQL_CACHE Nome_Religioso, ID_Pessoa
FROM pessoas
WHERE Nome_Religioso
LIKE '%$PalavraPraBusca%'
";


$Busca = $ConnectionSystem->query($SQL_Busca) or die($ConnectionSystem->error);
$DadosAutoComplete = array();

if ($Busca->num_rows > 0) {
    while($Dados = $Busca->fetch_assoc()) {
        $DadosAutoComplete[]= $Dados['Nome_Religioso'];

    }
    echo json_encode($DadosAutoComplete,JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
}

$ConnectionSystem->close();

?>

<!--- auto complete php consulta BuscaPessoa.php --->