DESCRIPTION¶
Round the number downwards the nearest whole number, returning that value. If the number value is an integer, the result will be that value, converted to float.
USAGE¶
floor(4.5)  - returns  4.0
floor(-4.5) - returns -5.0
floor(5)    - returns  5.0
HISTORY¶
- introduced (3.2.7)
- changed (3.2.9) – adds integers as argument values.