Interval
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 bool
test(int $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 line 46
static bool
test(int $number, string $interval)
Tests if the given number is in the math interval.
at line line 78
static string
getIntervalRegexp()
Returns a Regexp that matches valid intervals.