Update F_Network.php

NMSLOOO · Jul 11, 2021 · f0f5045 · f0f5045
1 parent c1c09f1
commit f0f5045
Showing 1 changed file with 8 additions and 3 deletions.
diff --git a/application/function/F_Network.php b/application/function/F_Network.php
@@ -27,9 +27,14 @@ function getClientIP(){
 			$ip = "Unknown"; 
 		}
 		//只取第一个
-		$ip_array=explode(',',$ip);
-		$ip = preg_replace("/^([\d\.]+).*/","\\1",$ip_array[0]);
-		return $ip;
+		$ip=explode(',',$ip)[0];
+
+		if(filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_IPV6)) {
+		    return ip;
+		}else {
+		    return "invalid ip";
+		}
+		#return $ip;
 	}
 }