ID: 39610 Updated by: [EMAIL PROTECTED] Reported By: ocracy at msn dot com -Status: Open +Status: Bogus Bug Type: *General Issues Operating System: windows PHP Version: 4.4.4 New Comment:
# php -r 'var_dump(pow(2,31));' is greater than PHP_INT_MAX, so it cannot be represented as positive integer when casted to int. Hence "Note: Remainder $a % $b is negative for negative $a." http://www.php.net/manual/en/language.operators.arithmetic.php Previous Comments: ------------------------------------------------------------------------ [2006-11-23 22:59:01] ocracy at msn dot com Description: ------------ Number of return Modular_arithmetic must be positive in general but i tryed high nubmer like(2^30++) in Modular_arithmetic, PHP gave me negative nubmer... example: x=2^31, y=x%20, y = negative in PHP Reproduce code: --------------- <?php $number = 31; $pow = pow(2,$number); $random = rand(10,50); echo ($pow%$random); ?> Expected result: ---------------- Negative numbers.. Like -6 -38 -44 .. .. Actual result: -------------- nubmer of return will be positive.. ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=39610&edit=1
