Bug #75240 [Com]: Remainder of $a divided by 1 is always 0

Edit report at https://bugs.php.net/bug.php?id=75240&edit=1 ID: 75240 Comment by: sjon at hortensius dot net Reported by: miami at blackcrystal dot net Summary: Remainder of $a divided by 1 is always 0 Status: Not a bug Type: Bug Package: Math related Operating System: Ubuntu 16.04.3 PHP Version: 7.0.23 Block user comment: N Private report: N New Comment: The explanation is also in the documentation: "Operands of modulo are converted to integers (by stripping the decimal part) before processing. For floating-point modulo, see fmod()." Previous Comments: ------------------------------------------------------------------------ [2017-09-21 07:38:47] requinix@php.net Thank you for taking the time to write to us, but this is not a bug. Please double-check the documentation available at http://www.php.net/manual/ and the instructions on how to report a bug at http://bugs.php.net/how-to-report.php > Operands of modulo are converted to integers (by stripping the decimal part) > before processing. For floating-point modulo, see fmod(). ------------------------------------------------------------------------ [2017-09-21 07:32:25] miami at blackcrystal dot net Description: ------------ --- From manual page: http://www.php.net/language.operators.arithmetic --- PHP7 always returns 0 as remainder after division to 1. <?php echo (1 % 1; // 0, ok echo 1.5 % 1; // 0, must be .5 echo 2.234567 % 1; // 0, must be .234567 ?> Test script: --------------- <?php echo (1 % 1) ."\n"; echo (1.5 % 1) ."\n"; echo (2.234567 % 1) ."\n"; ?> Expected result: ---------------- 0 .5 .234567 Actual result: -------------- 0 0 0 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=75240&edit=1