how to make php join on mysql query code example

Example 1: mysql join query

SELECT 
    m.member_id, 
    m.name member, 
    c.committee_id, 
    c.name committee
FROM
    members m
INNER JOIN committees c 
	ON c.name = m.name;

Example 2: mysql join two tables

SELECT user_id, user_name
FROM users
UNION
SELECT organization_id, organization_name
FROM organizations