/PHP/Como destruir uma variavel de sessão

Como destruir uma variavel de sessão

// criando sessões de login
session_start();
$email = $_SESSION['email'];
$senha = $_SESSION['senha'];

// criando sessões do jogo
$senha = $_SESSION['palavra'];
$senha = $_SESSION['letra'];

// removendo todas as sessões
session_start();
session_destroy();
unset( $_SESSION );

// removendo sessões do jogo
// opção 1)
unset( $_SESSION['palavra'] );
unset( $_SESSION['senha'] );

// opção 2)
$_SESSION['palavra'] = null;
$_SESSION['senha'] = null;

Source: pt.stackoverflow.com

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