(PHP 4 >= 4.3.2, PHP 5)
apache_get_version() returns the version of Apache as string, or FALSE on failure.
Example 1. apache_get_version() example
<?php $version = apache_get_version(); echo "$version\n"; ?>
The printout of the above program will look similar to:
Apache/1.3.29 (Unix) PHP/4.3.4
See also phpinfo().