Bug #67676 [Opn->Nab]: (int) return wrong number

From: Date: Thu, 24 Jul 2014 16:33:01 +0000
Subject: Bug #67676 [Opn->Nab]: (int) return wrong number
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=67676&edit=1 ID: 67676 Updated by: requinix@php.net Reported by: andreiotetea at yahoo dot com Summary: (int) return wrong number -Status: Open +Status: Not a bug Type: Bug Package: *General Issues Operating System: Linux, Windows, all PHP Version: Irrelevant 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: ------------------------------------------------------------------------ [2014-07-24 12:57:00] andreiotetea at yahoo dot com Description: ------------ this is a general BUG, no matter of system used or php version..on all is same tested here too: http://sandbox.onlinephpfunctions.com/ (int) is returning wrong number without trim. Test script: --------------- <?php $number = 10.03; $mfactor = pow(10,2); echo (int)($number * $mfactor); // 1002 - wrong echo (int)trim($number * $mfactor); // 1003 - good ?> ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=67676&edit=1

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