I have a code that works just fine but I have a few questions about it. I don't understand the logic of something. The code is:
<?php
session_start();
if(!isset($_SESSION['t0']))
{
$_SESSION['t0']=time();
echo $_SESSION['t0']."if<br />"; //why this is never printed?
}
else
{
if(time()>=($_SESSION['t0']+3))
{
echo $_SESSION['t0']."else-ul";
$culoare="rgb(".rand(0,255).",".rand(0,255).",".rand(0,255).")";
$_SESSION['t0']=time();
}
}
?>
The questions would be: 1. Why the first echo is never printed? 2. Why (time()>=($_SESSION['t0']+3)) isn't always true since $_SESSION['t0'] is updated every second because of session[t0]=time() ?
Thank you!