VAR="`php -v`"

echo "PHP has been found: $VAR"

VAR=
PHP 4.4.2-1.1 (cli) (built: Jun 13 2006 20:01:01)
Copyright (c) 1997-2006 The PHP Group
Zend Engine v1.3.0, Copyright (c) 1998-2004 Zend Technologies