PHP: How to Create and Read Cookies

Cookies are data exchanged between the browser and the server, used to store user preferences, login and so on.

 

How to create a Cookie in PHP?

// Criando Cookies
$nome = "masterdaweb";
$valor = "Cookie Criado com Sucesso";
$expira = time() + 3600;
setcookie($nome, $valor, $expira);

$name – Cookie name.

$value – The value that will be stored in the Cookie.

$expires – When the cookie expires. Note that the value is given in seconds, 3600 seconds corresponds to 1 hour.

setcookie() – Function used to create the Cookie from the data obtained in the variables above.

 

How to read a Cookie in PHP?

// Lê o cookie "masterdaweb"
$ler = $_COOKIE['masterdaweb'];

echo "Valor do Cookie masterdaweb: $ler";

$_COOKIE – Superglobal variable, used to read cookies. Just use the variable with the name of the Cookie you created, as in the example above.