Inserting data using ajax is really a very simple job

Database read in php means you have a database table

Form submit in php means you are going to get

Conditions in C OR in any programing languages are important

When you want to declare variable in c you also

When we need to run some specific code in a

Conditions in PHP are most important to understand as most

Arrays in php are just like we give single name

Variable in php is very simple to define and uses