note 123839 deleted from function.ip2long by cmb
| From: | cmb@php.net | Date: | Fri, 10 May 2019 11:36:18 +0000 |
| Subject: | note 123839 deleted from function.ip2long by cmb | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-211004@lists.php.net to get a copy of this message | ||
Note Submitter: Anonymous
----
/**
* convert cidr to ip range
* From: <https://github.com/www-schat-top>
* @param string $cidr "192.168.0.0/23"
* @return array ["192.168.0.0", "192.168.1.255"]
*/
function cidr2range($cidr){
list( $subnet, $mask ) = explode( '/', $cidr );
return [long2ip($subnet), long2ip(ip2long( $subnet ) | (pow(2,( 32 - $mask ))-1))];
}