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php FILTER_VALIDATE_IP_PHP tutorial

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Release： 2016-07-13 17:07:04
Original
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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
$ip = "192.168.0.1";
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if(!filter_var($ip, FILTER_VALIDATE_IP))
 {
 echo "IP is not valid";
 }
else
 {
 echo "IP is valid";
 }
?>
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输出结果。
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is is valid
Copy after login

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/630488.htmlTechArticleThe filter verifies whether the IP address is legal. Definition and Usage This filter validates the FILTER_VALIDATE_IP value as a URL. Name: validate_ip ID number: 275 Possible flags: ...
Related labels：
filter php validate 。 legitimate address usage filter verify
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