#46742 [Opn->Bgs]: is_numeric function not working as per "common sense"

ID: 46742 Updated by: johannes@php.net Reported By: ben at ajmadison dot com -Status: Open +Status: Bogus Bug Type: Feature/Change Request Operating System: any PHP Version: 5.2.6 New Comment: 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 . Previous Comments: ------------------------------------------------------------------------ [2008-12-16 15:51:04] zyss at mail dot zp dot ua It shouldn't. is_numeric() works just in the same way as in other languages, specifically as described in PHP docs: "Numeric strings consist of optional sign, any number of digits, optional decimal part and optional exponential part. Thus +0123.45e6 is a valid numeric value. Hexadecimal notation (0xFF) is allowed too but only without sign, decimal and exponential part." This doesn't prevent one from implementing his own algorithm with a custom function. ------------------------------------------------------------------------ [2008-12-03 17:54:02] ben at ajmadison dot com Description: ------------ is_numeric("1343.32") returns true, but is_numeric("1,343.32") returns false. Since the comma is used just for visual representation, the number represented is still numeric and is_numeric function should return true. Reproduce code: --------------- echo is_numeric("1,343.32"); Expected result: ---------------- true Actual result: -------------- false ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=46742&edit=1