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You can check whether a variable has been set in a user's session using the function isset(), as you would a normal variable. Because the $_SESSION superglobal is only initialised once session_start() has been called, you need to call session_start() before using isset() on a session variable.
Use this: echo '<pre>'; var_dump($_SESSION); echo '</pre>'; Or you can use print_r if you don't care about types.
PHP $_SESSION is an associative array that contains all session variables. It is used to set and get session variable values.
if (isset($_SESSION['errors']))
{
//Do stuff
}
use isset() and empty() php function.
if (isset($_SESSION['errors']) && !empty($_SESSION['errors'])) {
// ...
}
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