About 1st PHP Text Exchange Script: A WalkerSoftware Text Exchange Script allows webmasters to exchange Adverts similar to Google's Adsense without the need to outlay cash. The webmaster sets a ratio for the exchange which will create an inventory which can then be sold. The script is an advanced web based promotion tool that builds a membership community fast that is easy to support. The use of industrial strength MySQL allows unlimited members and transaction. [more]