Why cannot Apache handle multiple requests at the same time?

Question

I have AMPPS installed.

My Apache server cannot handle multiple php requests at once (for example if I call localhost/script.php multiple times, they are pr

Answer 1

manipulate yours sessions, write on start of script.php

// manipulate writes, and unlock session file!
session_start();
$_SESSION['admin'] = 1;
$_SESSION['user'] = 'Username';
session_write_close(); // unlock session file, to another script can access

// start your script without php session block
sleep(30); 
echo $_SESSION['user'];

// another script can run without wait this script finish