class Interval
Tests if a given number belongs to a given math interval.
An interval can represent a finite set of numbers:
{1,2,3,4}
An interval can represent numbers between two numbers:
[1, +Inf]
]-1,2[
The left delimiter can be [ (inclusive) or ] (exclusive).
The right delimiter can be [ (exclusive) or ] (inclusive).
Beside numbers, you can use -Inf and +Inf for the infinite.
Methods
| static Boolean |
test(integer $number, string $interval)
Tests if the given number is in the math interval. |
|
| static string |
getIntervalRegexp()
Returns a Regexp that matches valid intervals. |
Details
at line 46
static public Boolean
test(integer $number, string $interval)
Tests if the given number is in the math interval.
at line 78
static public string
getIntervalRegexp()
Returns a Regexp that matches valid intervals.