note 50295 added to function.is-nan
| From: | Vincent at osu1 dot php dot net | Date: | Thu, 24 Feb 2005 02:04:12 +0000 |
| Subject: | note 50295 added to function.is-nan | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-85460@lists.php.net to get a copy of this message | ||
Since NaN is not even equal to itself, here is a way to test it:
<?php
function my_is_nan($_) {
return ($_ !== $_);
}
?>
----
Manual Page -- http://www.php.net/manual/en/function.is-nan.php
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