Questions about the database in php

About the database in php. this is the database I created. what I want to do is: the front-end user enters the username and password. then I will go to the user_table table, search for items that match username. If no, return. If yes, compare the password. Please write the pseudo code. database problems in php

This is the database I created.

What I want to do is: the front-end customer enters the username and password, and then I will go to the user_table table to find the matching items with username. if it is useless, it will be returned; if yes, compare the password.

Please write pseudo code;

PHP database

Share:

------ Solution --------------------
You only need to use SQL for matching, for example:

SELECT count (*) user_table WHERE username = 'username' AND password = 'password' LIMIT 1

If 1 is returned at this time, it indicates that it has been matched. Otherwise, the user name or password is incorrect.
------ Solution --------------------
I already spoke about it upstairs.
------ Solution --------------------
Reference:

You only need to use SQL for matching, for example:

SELECT count (*) user_table WHERE username = 'username' AND password = 'password' LIMIT 1

If 1 is returned at this time, it indicates that it has been matched. Otherwise, the user name or password is incorrect.

Less from
Select count (*) from user_table where username = "username" and password = "password"
------ Solution --------------------
Reference:

Quote: reference:

You only need to use SQL for matching, for example:

SELECT count (*) user_table WHERE username = 'username' AND password = 'password' LIMIT 1

If 1 is returned at this time, it indicates that it has been matched. Otherwise, the user name or password is incorrect.

What compiler is this? I use Notepad Plus.

This is csdn's own...