Bug #68589 [Opn->Nab]: sprintf decimal number formatting

Edit report at https://bugs.php.net/bug.php?id=68589&edit=1 ID: 68589 Updated by: aharvey@php.net Reported by: vardhane at gmail dot com Summary: sprintf decimal number formatting -Status: Open +Status: Not a bug Type: Bug Package: Strings related PHP Version: 5.6.3 Block user comment: N Private report: N New Comment: Floating point values have a limited precision. Hence a value might not have the same string representation after any processing. That also includes writing a floating point value in your script and directly printing it without any mathematical operations. If you would like to know more about "floats" and what IEEE 754 is, read this: http://www.floating-point-gui.de/ Thank you for your interest in PHP. Previous Comments: ------------------------------------------------------------------------ [2014-12-11 06:41:33] vardhane at gmail dot com Description: ------------ --- From manual page: http://www.php.net/function.sprintf --- <?php $format = '%10.2f'; $args = 103790.3550; $result = sprintf ($format, $args); ?> Test script: --------------- Hello Team, When I am using sprintf to format my decimal 2 decimal places it is giving weird results. I tried the following, 0.405 = 0.40 0.415 = 0.41 0.425 = 0.43 0.435 = 0.43 0.445 = 0.44 0.455 = 0.46 0.465 = 0.46 0.475 = 0.48 0.485 = 0.49 0.495 = 0.49 Please Help! Expected result: ---------------- 103790.36 Actual result: -------------- 103790.35 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=68589&edit=1