更新

app/common.php

@@ -8,9 +8,51 @@
 // +----------------------------------------------------------------------
 // 应用公共文件
 
+define("SENTCMS_VERSION", '4.0.20200217');
+
 /**
  *
  */
 function is_login() {
 	return false;
+}
+
+/**
+ * 获取客户端IP地址
+ * @param integer $type 返回类型 0 返回IP地址 1 返回IPV4地址数字
+ * @param boolean $adv 是否进行高级模式获取（有可能被伪装）
+ * @return mixed
+ */
+function get_client_ip($type = 0, $adv = false) {
+	$type = $type ? 1 : 0;
+	static $ip = NULL;
+	if ($ip !== NULL) {
+		return $ip[$type];
+	}
+
+	if ($adv) {
+		if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
+			$arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
+			$pos = array_search('unknown', $arr);
+			if (false !== $pos) {
+				unset($arr[$pos]);
+			}
+
+			$ip = trim($arr[0]);
+		} elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
+			$ip = $_SERVER['HTTP_CLIENT_IP'];
+		} elseif (isset($_SERVER['REMOTE_ADDR'])) {
+			$ip = $_SERVER['REMOTE_ADDR'];
+		}
+	} elseif (isset($_SERVER['REMOTE_ADDR'])) {
+		$ip = $_SERVER['REMOTE_ADDR'];
+	}
+	// IP地址合法验证
+	$long = sprintf("%u", ip2long($ip));
+	$ip = $long ? array($ip, $long) : array('0.0.0.0', 0);
+	return $ip[$type];
+}
+
+function avatar($uid, $size = 'middle') {
+	return request()->root(true) . '/static/common/images/default_avatar_' . $size . '.jpg';
 }