How to limit the IP address range in php_PHP tutorial

How to limit the IP address range in PHP

Only IP addresses within the limited range can be accessed

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function get_real_ipaddress() { if (!empty($_SERVER['HTTP_CLIENT_IP'])) { return $_SERVER['HTTP_CLIENT_IP']; } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { return $_SERVER['HTTP_X_FORWARDED_FOR']; } return $_SERVER['REMOTE_ADDR']; } function in_ip_range($ip, $ip_one, $ip_two = false) { if(!$ip_two) { return $ip_one === $ip; } return ip2long($ip_one) * -1 >= ip2long($ip) * -1 && ip2long($ip_two) * -1 <= ip2long($ip) * -1; } function validate_ip() { $ip = explode(':', get_real_ipaddress()); $ip = $ip[0]; if(in_ip_range($ip, '212.76.229.115', '212.76.229.120')) { return true; } else if(in_ip_range($ip, '194.78.4.66', '194.78.4.79')) { return true; } else if(in_ip_range($ip, '194.8.4.78', '194.8.4.78')) { return true; } else if(in_ip_range($ip, '0', '1')) { // local return true; } header('Location: http://www.bkjia.net'); }

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<🎜> <🎜>function get_real_ipaddress() {<🎜> <🎜>if (!empty($_SERVER['HTTP_CLIENT_IP'])) {<🎜> <🎜>return $_SERVER['HTTP_CLIENT_IP'];<🎜> <🎜>} elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {<🎜> <🎜>return $_SERVER['HTTP_X_FORWARDED_FOR'];<🎜> <🎜>}<🎜> <🎜>return $_SERVER['REMOTE_ADDR'];<🎜> <🎜>}<🎜> <🎜>function in_ip_range($ip, $ip_one, $ip_two = false) {<🎜> <🎜>if(!$ip_two) {<🎜> <🎜>return $ip_one === $ip;<🎜> <🎜>}<🎜> <🎜>return ip2long($ip_one) * -1 >= ip2long($ip) * -1 && ip2long($ip_two) * -1 <= ip2long($ip) * -1; } function validate_ip() { $ip = explode(':', get_real_ipaddress()); $ip = $ip[0]; if(in_ip_range($ip, '212.76.229.115', '212.76.229.120')) { return true; } else if(in_ip_range($ip, '194.78.4.66', '194.78.4.79')) { return true; } else if(in_ip_range($ip, '194.8.4.78', '194.8.4.78')) { return true; } else if(in_ip_range($ip, '0', '1')) { // local return true; } header('Location: http://www.bkjia.net'); }

I hope this article will be helpful to everyone’s PHP programming design. http://www.bkjia.com/PHPjc/977162.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/977162.htmlTechArticleHow to limit ip address range in php. Only ip addresses within the limited range can be accessed 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 function get_real_ipaddr...