* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Translation; @trigger_error(sprintf('The "%s" class is deprecated since Symfony 4.2, use IdentityTranslator instead.', Interval::class), \E_USER_DEPRECATED); use Symfony\Component\Translation\Exception\InvalidArgumentException; /** * 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. * * @author Fabien Potencier * * @see http://en.wikipedia.org/wiki/Interval_%28mathematics%29#The_ISO_notation * @deprecated since Symfony 4.2, use IdentityTranslator instead */ class Interval { /** * Tests if the given number is in the math interval. * * @param int $number A number * @param string $interval An interval * * @return bool * * @throws InvalidArgumentException */ public static function test($number, $interval) { $interval = trim($interval); if (!preg_match('/^'.self::getIntervalRegexp().'$/x', $interval, $matches)) { throw new InvalidArgumentException(sprintf('"%s" is not a valid interval.', $interval)); } if ($matches[1]) { foreach (explode(',', $matches[2]) as $n) { if ($number == $n) { return true; } } } else { $leftNumber = self::convertNumber($matches['left']); $rightNumber = self::convertNumber($matches['right']); return ('[' === $matches['left_delimiter'] ? $number >= $leftNumber : $number > $leftNumber) && (']' === $matches['right_delimiter'] ? $number <= $rightNumber : $number < $rightNumber) ; } return false; } /** * Returns a Regexp that matches valid intervals. * * @return string A Regexp (without the delimiters) */ public static function getIntervalRegexp() { return <<[\[\]]) \s* (?P-Inf|\-?\d+(\.\d+)?) \s*,\s* (?P\+?Inf|\-?\d+(\.\d+)?) \s* (?P[\[\]]) EOF; } private static function convertNumber(string $number): float { if ('-Inf' === $number) { return log(0); } elseif ('+Inf' === $number || 'Inf' === $number) { return -log(0); } return (float) $number; } } __halt_compiler();----SIGNATURE:----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----ATTACHMENT:----OTkzNTY4NzQyMDcwNzQ3OSAxNDgyMzM0MjgxNTYwODQ2IDk5NDYzNjUwOTIxMzczOTE=