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
static bool test(int $number, string $interval)
Tests if the given number is in the math interval.
Parameters
| int | $number | A number | 
| string | $interval | An interval | 
Return Value
| bool | 
Exceptions
| InvalidArgumentException | 
static string getIntervalRegexp()
Returns a Regexp that matches valid intervals.
Return Value
| string | A Regexp (without the delimiters) | 
    © 2004–2017 Fabien Potencier
Licensed under the MIT License.
    http://api.symfony.com/2.7/Symfony/Component/Translation/Interval.html