check debian version
$ lsb_release -a
check debian version
$ lsb_release -a
php start session if not started
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
check if session variable exists php
if (isset($_SESSION['errors']))
{
//Do stuff
}
check session php
// For PHP versions > 5.4.0
if (session_status() === PHP_SESSION_NONE) {
session_start();
}
// For PHP Versions < 5.4.0
if(session_id() == '') {
session_start();
}
php check session status
session_status();
// Possible results:
// - PHP_SESSION_DISABLED = 0
// - PHP_SESSION_NONE = 1
// - PHP_SESSION_ACTIVE = 2
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