I finishd making site's coding in php. What r more important things I should do before publishing it?

[Trigo]

its my first site, so please help in easy language. Also how do I get my site in google search, or will it automatically be displayed in all search sites (including google)

[dawn]

Adding Security the more security the better.

Find a good host I recommend TMD Hosting they are very good the technicians are lovely guys
once published invite friends and family in first to give you their opinion and iron out any bugs
because once it goes live and it starts taking off members are good but not so forgiving if your site keeps going down.

When your looking to advertise build a facebook page and twitter. Check my site out for advertising space
https://www.dig-me.eu

offers a free marketplace where you can post your ads. As long as you dont spam you can advertise.

Sign up is register verify email upload image and wait for approval BUT its worth it because you know then its actual people and not spam bots.
Its a good site. they can advertise banners in more than 11 different places You can pay to have your items featured Open up a page/group where you can talk to your customers in real time.
You even have the option of having your profile with timeline or without timeline.

Its also new but growing.