19 lines
599 B
PHP
19 lines
599 B
PHP
<?php
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/* For licensing terms, see /license.txt */
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/**
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* @package chamilo.webservices
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*/
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$ip = '';
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if (!empty($_SERVER['REMOTE_ADDR'])) {
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$ip = trim($_SERVER['REMOTE_ADDR']);
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}
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if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
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if (filter_var($_SERVER['HTTP_X_FORWARDED_FOR'], FILTER_FLAG_IPV4 | FILTER_FLAG_IPV6) == $_SERVER['HTTP_X_FORWARDED_FOR']) {
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list($ip1, $ip2) = preg_split('/,/', $_SERVER['HTTP_X_FORWARDED_FOR']);
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$ip = trim($ip1);
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}
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}
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if (!empty($ip) && filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_IPV6)) {
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echo htmlentities($ip);
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}
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