21 lines
547 B
PHP
21 lines
547 B
PHP
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<?php
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/**
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* @return string
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*/
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function getClientIp() {
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if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
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$ip = $_SERVER['HTTP_CLIENT_IP'];
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} elseif (!empty($_SERVER['HTTP_X_REAL_IP'])) {
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$ip = $_SERVER['HTTP_X_REAL_IP'];
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} elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
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$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
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$ip = preg_replace('/,.*/', '', $ip); # hosts are comma-separated, client is first
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} else {
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$ip = $_SERVER['REMOTE_ADDR'];
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}
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return preg_replace('/^::ffff:/', '', $ip);
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}
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