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php FILTER_VALIDATE_IP_PHP tutorial
- WBOYOriginal
- 2016-07-13 17:07:041020browse
The filter verifies the IP address to see if it is legal.
Definition and usage
This filter validates the FILTER_VALIDATE_IP value as a URL.
Name: "validate_ip"
ID number: 275
Possible flags:
<?php $ip = "192.168.0.1";
if(!filter_var($ip, FILTER_VALIDATE_IP))
{
echo "IP is not valid";
}
else
{
echo "IP is valid";
}
?>
输出结果。
is is valid
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