gx

@@ -116,3 +116,31 @@ if(!function_exists('_get_child')){
         return $new_arr ? $new_arr : false;
     }
 }
+
+
+
+if (!function_exists('checkDomain')) {
+    /**
+     * 检查并补全域名协议
+     * @return false|string
+     * @author zbj
+     * @date 2023/5/5
+     */
+    function checkDomain($value)
+    {
+        $urlParts = parse_url(strtolower($value));
+        if(empty($urlParts['host'])){
+            $urlParts = parse_url('https://' . $value);
+        }
+        $host = $urlParts['host'] ?? '';
+        $scheme = $urlParts['scheme'] ?? 'https';
+        if(!in_array($scheme, ['http', 'https'])){
+            return false;
+        }
+        if (preg_match('/^(?:[-A-Za-z0-9]+\.)+[A-Za-z]{2,6}$/', $host)) {
+            return $scheme . '://' . $host;
+        } else {
+            return false;
+        }
+    }
+}