Pega Title (código php)

<!DOCTYPE html>
<html lang="pt-br">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
    <title>Pegar Title</title>
</head>
<body>
<br><br><br>
    <div class="container">
        <?php

        $url = $_POST['url'];
        //$ssite=('url do site');

        $q=@file_get_contents($url);
        preg_match_all('#<title>([^<\/]{1,})<\/title>#i',$q,$match);

        $otitle=($match[1][0]);

        echo $otitle; // Mostra frase do title


        ?>
        <hr>
        <a href="index.php" class="btn btn-warning">Voltar</a>
    </div>
</body>
</html>