Im new, may i know what program to create this? Thanks

[Lschanjason]

As per topic, anybody can advise me pleaase. Thanks
http://www.zazzle.com/personalized_large_t_shirt-235720396763667998

[JorgeM]

What exactly is your goal? To create an ecommerce site? Please take the time to provide some details if you expect any type of help and/or guidance.

[Lschanjason]

To understand what program to used to design the application of "self designing" like zazzle

[JorgeM]

So, its not really possible to tell what program was used to build this site by just looking at the site and/or HTML source, unless the developer left behind HTML comments that would indicate what was used.

For sure, there is server-side programming. The web application could be customized PHP, or it could have been developed with some type of eCommerce web application that generates the code for the developer.

[iamthwee]

They're no doubt using imagick to warp around the contours of the T-shirt. Probably not worth the extra server processing power for sake of aesthetics IMO

[almostbob]

It is the same script type used to make all those personalised roadsigns
ajax using imagettftext() to create a transparent overlay. This one is more sophisticated there is a texture map applied to the generated image that closely matches the underlying tshirt.
The layer does not alter the tshirt image, just sits over it