doble insert mysqli code example

Example 1: Insert mysql

#Some columns or all 
INSERT INTO table_name (column1, column2, column3, ...)
VALUES (value1, value2, value3, ...);
#All columns
INSERT INTO table_name
VALUES (value1, value2, value3, ...);

Example 2: insert mysql

INSERT INTO tbl_name (a,b,c) 
    VALUES(1,2,3), (4,5,6), (7,8,9);