[PHP] cookie - 쿠키 사용법

▤ create

<?php

$cookie_name = "name";

$cookie_value = "heojju";

setcookie($cookie_name, $cookie_value, time() + (86400 * 30), "/"); // 86400 = 1일

?>

▤ retrieve

<?php

echo $_COOKIE[$cookie_name];

?>

결과 : heojju

▤ modify

<?php

$cookie_name = "name";

$cookie_value = "woojoo";

setcookie($cookie_name, $cookie_value, time() + (86400 * 30), "/"); // 86400 = 1일

?>

▤ delete

<?php

setcookie("name", "", time() - 3600);

?>

▤ enable check

<?php

if(count($_COOIE)>0){echo "exist";}else{echo "null";}

?>