Re: problem with intval and !=

From: Date: Thu, 23 Oct 2003 16:41:56 +0000
Subject: Re: problem with intval and !=
References: 1 2 3 4 5 6 7 8 9 10  Groups: php.general 
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Greg Beaver wrote:
http://www.php.net/is_numeric is the function you are looking for. No need for fancy regexps.
The OP is looking for an integer, but is_numeric() will return true for float values and also for numbers in scientific notation. So "12.3" and "12E3" will be TRUE. The original $number != intval($number) should work for detecting bad input. -- ---John Holmes... Amazon Wishlist: www.amazon.com/o/registry/3BEXC84AB3A5E/ php|architect: The Magazine for PHP Professionals – www.phparch.com

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