46 lines
1.5 KiB
PHP
46 lines
1.5 KiB
PHP
<?php
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function getRealIP() {
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if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
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// 检查是否通过了HTTP客户端IP
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$ip = $_SERVER['HTTP_CLIENT_IP'];
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} elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
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// 检查是否通过了代理服务器
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$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
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// 如果包含多个IP地址，取第一个
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if (strpos($ip, ',') !== false) {
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$ip = explode(',', $ip)[0];
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}
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} elseif (!empty($_SERVER['HTTP_X_REAL_IP'])) {
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// 检查是否通过了真实的IP地址
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$ip = $_SERVER['HTTP_X_REAL_IP'];
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} else {
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// 如果没有通过代理服务器，直接获取远程地址
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$ip = $_SERVER['REMOTE_ADDR'];
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}
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return $ip;
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}
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$remote_addr = $_SERVER['REMOTE_ADDR'];
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$forwarded_for = $_SERVER['HTTP_X_FORWARDED_FOR'] ?? $remote_addr;
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$real_ip = $_SERVER['HTTP_X_REAL_IP'] ?? $remote_addr;
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// 如果X-Forwarded-For包含多个IP地址，取第一个
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if (strpos($forwarded_for, ',') !== false) {
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$forwarded_for = explode(',', $forwarded_for)[0];
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}
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?>
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<!DOCTYPE html>
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<html lang="zh">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>IP地址测试接口</title>
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</head>
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<body>
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<h4>IP地址: <?php echo htmlspecialchars($remote_addr); ?></h4>
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<h4>X-Forwarded-For: <?php echo htmlspecialchars($forwarded_for); ?></h4>
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<h4>X-Real-IP: <?php echo htmlspecialchars($real_ip); ?></h4>
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</body>
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</html>
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