note 20897 deleted from function.is-numeric by nlopess
| From: | nlopess@php.net | Date: | Sun, 16 Jan 2005 12:41:36 +0000 |
| Subject: | note 20897 deleted from function.is-numeric by nlopess | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-83436@lists.php.net to get a copy of this message | ||
Note Submitter: dphantom at ticino dot com
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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)