note 70926 added to function.is-numeric
| From: | inbox at bjornroesbeke dot be | Date: | Sat, 04 Nov 2006 06:24:11 +0000 |
| Subject: | note 70926 added to function.is-numeric | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-119367@lists.php.net to get a copy of this message | ||
PHP doesn't seem to have trouble checking negative zeros...
<?php
/* negative (string) zero numeric check */
$var = "0";
is_numeric($var); //outputs true
$var = "-0";
is_numeric($var); //outputs true
/* negative (integer) numeric check */
$var = 0;
is_numeric($var); //outputs true
$var = -0;
is_numeric($var); //outputs true
?>
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Server IP: 82.146.33.222
Probable Submitter: 84.197.197.37
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Manual Page -- http://www.php.net/manual/en/function.is-numeric.php
Edit -- https://master.php.net/note/edit/70926
Del: integrated -- https://master.php.net/note/delete/70926/integrated
Del: useless -- https://master.php.net/note/delete/70926/useless
Del: bad code -- https://master.php.net/note/delete/70926/bad+code
Del: spam -- https://master.php.net/note/delete/70926/spam
Del: non-english -- https://master.php.net/note/delete/70926/non-english
Del: in docs -- https://master.php.net/note/delete/70926/in+docs
Del: other reasons-- https://master.php.net/note/delete/70926
Reject -- https://master.php.net/note/reject/70926
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