Twitter cards PHP web pages


Hi to you all !

We have about 25,000 php webpages that are all different
displaying various property details for properties for sale or rent

I need to know what i can do so that Twitter recognizes them with Twitter cards

I have used this tag but the problem is that Twitter needs to validate each page individually (i think) and i require help with possible code required to make it work
Here is an example of the webpages:

Thank you in advance
Mijas Real Estate