Question

here is my code

echo ("<br/>");
if ($APIkbpersec < 30) {
    global $SpeedTest;
    echo ("Slow speed");
    $SpeedTest--;
}
if ($APIkbpersec > 30) {
    global $SpeedTest;
    echo ("High speed");
    $SpeedTest++;
}
echo $SpeedTest;

the page this code is in gets reloaded every second with AJAX and the $APIkbpersec changes between 40 and 0.

I basically want to have a variable ($SpeedTest) increase or decrese depending on what $APIkbpersec is.

• if $APIkbpersec is less than 30, I want $SpeedTest to decrease by 1 every refresh to a minimum of 0.
• if $APIkbpersec is greaterthan 30, I want $SpeedTest to increase from by 1 every refresh to a maximum of 10.

the problem is I dont know what the porblem is….Im currently trying to write $SpeedTest to a txt file so I can read it in every refresh to do the maths on it every refresh without it being reset in PHP

any help would be appreciated

Answer 1

It’s being reset because the HTTP request is stateless. Each AJAX call is an isolated event to a PHP script. To make the variable persist, it has to be stored in $_SESSION.

You have not shown the code you’re using to write it to a text file, but unless you need it to persist beyond a user session, that’s the wrong approach. You’re better served using $_SESSION. If you do need long-term persistence, you should use a database instead.

session_start();

// Initialize the variable if it doesn't exist yet
if (!isset($_SESSION['SpeedTest'])) {
  $_SESSION['SpeedTest'] = 0;
}

echo ("<br/>");
if ($APIkbpersec < 30) {
  echo ("Slow speed");
  $_SESSION['SpeedTest']--;
}
if ($APIkbpersec > 30) {
  echo ("High speed");
  $_SESSION['SpeedTest']++;
}
echo $_SESSION['SpeedTest'];