note 20897 added to function.is-numeric
| From: | dphantom at ticino dot com | Date: | Sat, 20 Apr 2002 18:37:02 +0000 |
| Subject: | note 20897 added to function.is-numeric | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-29619@lists.php.net to get a copy of this message | ||
Wondered if is_numeric(<empty string>) is true or false.
var_dump(is_numeric('')) => bool(false)
var_dump(is_numeric('alpha')) => bool(false)
var_dump(is_numeric('1')) => bool(true)
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http://www.php.net/manual/en/function.is-numeric.php
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