Left Join in PHP Source Code

Prof. Fazal Rehman Shamil
Last modified on April 22nd, 2020

Left join shows all rows from the left table and shows only matching rows from the right table.

In this example,t4tutorials_finance is the left table  and user_details is the right table.

joins PHP MySQLi

What will be displayed?

Left join shows all rows from the left table t4tutorials_finance and shows only matching rows from the right table user_details.

Left join Query in MySQLi

select * from t4tutorials_finance left join user_details on user_details.userid=T4Tutorials_finance.t4tutorials_id

Output

Salary Firstname Lastname
80000 fazal rehman

Left Join Program Example in PHP, MySQLi

The database for the code is shown below in the figure.

left Join PHP MySQLi

Video Lecture

Database t4tutorials_join

Download the database for left join

Table structure for table t4tutorials_finance

Column Type Null Default
t4tutorials_id int(222) No
t4tutorials_salary int(222) No

Table structure for table user_details

Column Type Null Default
userid int(11) No
firstname varchar(30) No
lastname varchar(30) No
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