CODE EXAMPLE FOR SQL

php mysql select current month

mysql> SELECT * FROM sales
      WHERE order_date >= (LAST_DAY(NOW()) + INTERVAL 1 DAY - INTERVAL 1 MONTH)
      AND order_date <  (LAST_DAY(NOW()) + INTERVAL 1 DAY);
+------------+------+--------+
| order_date | sale | orders |
+------------+------+--------+
| 2020-05-01 |  250 |     14 |
| 2020-05-02 |  150 |     20 |
| 2020-05-03 |  300 |     21 |
| 2020-05-04 |  200 |     15 |
| 2020-05-05 |  200 |     17 |
| 2020-05-06 |  250 |     12 |
| 2020-05-07 |  150 |     15 |
| 2020-05-08 |  300 |     12 |
| 2020-05-09 |  200 |     18 |
+------------+------+--------+