PHP取得用戶IP位址

PHP取得使用者IP位址

<?php

function getClientIp() {
	$uip = &#39;&#39;;
	if(!empty($_SERVER[&#39;HTTP_X_FORWARDED_FOR&#39;]) && strcasecmp($_SERVER[&#39;HTTP_X_FORWARDED_FOR&#39;], &#39;unknow&#39;)) {
		$uip = $_SERVER[&#39;HTTP_X_FORWARDED_FOR&#39;];
		strpos($uip, &#39;,&#39;) && list($uip) = explode(&#39;,&#39;, $uip);
	} elseif(!empty($_SERVER[&#39;HTTP_CLIENT_IP&#39;]) && strcasecmp($_SERVER[&#39;HTTP_CLIENT_IP&#39;], &#39;unknow&#39;)) {
		$uip = $_SERVER[&#39;HTTP_CLIENT_IP&#39;];
	} elseif(!empty($_SERVER[&#39;REMOTE_ADDR&#39;]) && strcasecmp($_SERVER[&#39;REMOTE_ADDR&#39;], &#39;unknow&#39;)) {
		$uip = $_SERVER[&#39;REMOTE_ADDR&#39;];
	}
	return $uip;
}
echo getClientIp();

以上就介紹了PHP取得使用者IP位址，包含了方面的內容，更多相關內容請追蹤PHP中文網（www.php.cn）！