(PHP4 >= 4.0.2)
php_uname -- 
     Returns information about the operating system PHP was built on
    
Description
     php_uname() returns a string with a description
     of the operating system PHP is built on.
    
     
| Example 1. php_uname() Example | 
if (substr(php_uname(), 0, 7) == "Windows") {
    die("Sorry, this script doesn't run on Windows.\n");
}
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