note 121690 deleted from function.is-numeric by crell
| From: | crell@php.net | Date: | Mon, 18 Apr 2022 14:55:05 +0000 |
| Subject: | note 121690 deleted from function.is-numeric by crell | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-218272@lists.php.net to get a copy of this message | ||
Note Submitter: za at byza dot it
----
To check if a numeric string is a valid integer or float number:
function is_valid_number($a) {
return $a==(float)$a && strlen($a)==strlen((float)$a);
}
This returns false for "0012345" and true for "0.12345"