floatControl function with $_SESSION in PHP

<?php

/* function */

function floatControl($action = 5, $sec = 5) {

$actionZero = $action - 1;

(session_status() != 2) ? session_start() : '';

(!isset($_SESSION['float'])) ? $_SESSION['float'] = array() : '';

array_push($_SESSION['float'], time());

$_SESSION['float'] = array_slice($_SESSION['float'], -$action);

return (isset($_SESSION['float'][$actionZero]) && $_SESSION['float'][$actionZero] - $_SESSION['float'][0] <= $sec) ? false : true;

}

/* using */

floatControl(); // or

floatControl(3,10); // 3 action in 10 sec

/* using */

if (floatControl() == false) {

echo 'float';

} else {

echo 'run';

}