Fetch Apache version (PHP 4 >= 4.3.2, PHP 5) 
string apache_get_version ( )
Fetch the Apache version. 
Return Values
Returns the Apache version on success, or FALSE on failure. 
ChangeLog
Version
Description
4.3.4
Became available with Apache 1. 
5.0.0
Became available with the Apache 2 filter API. 
Examples
Example 203. apache_get_version() example
$version = apache_get_version();
echo "$versionn";
?>