note 52850 added to function.is-numeric
| From: | GregoryBoshoff at osu1 dot php dot net | Date: | Sat, 14 May 2005 22:01:25 +0000 |
| Subject: | note 52850 added to function.is-numeric | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-89437@lists.php.net to get a copy of this message | ||
As mentioned above use the ctype character type functions to determine a strings type as ctype is
faster. ctype_digit has far better benchmarks than is_numeric.
// Example:
$num = '888';
if(ctype_digit($num) === TRUE):
echo 'The string variable $num contains the decimal value '.$num;
endif;
----
Manual Page -- http://www.php.net/manual/en/function.is-numeric.php
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