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Better function is_ip

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Laurent Destailleur
2014-07-26 14:16:09 +02:00
parent 8f6023ab5f
commit 3b9cfea8c9
2 changed files with 15 additions and 14 deletions
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15
htdocs/core/lib/functions2.lib.php
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@@ -1365,19 +1365,20 @@ function getListOfModels($db,$type,$maxfilenamelength=0)
* This function evaluates a string that should be a valid IPv4
*
* @param string $ip IP Address
* @return int 0 if not valid, 1 if valid and public IP, 2 if valid and private range IP
* @return int 0 if not valid or reserved range, 1 if valid and public IP, 2 if valid and private range IP
*/
function is_ip($ip)
{
//First we test if it is a valid IPv4
// First we test if it is a valid IPv4
if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
//Then we test if it is not a private range
if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE)) {
return 1;
}
// Then we test if it is a private range
if (! filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE)) return 2;
return 2;
// Then we test if it is a reserved range
if (! filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE)) return 0;
return 1;
}
return 0;