update

Author: ilsanbao

README.md

@@ -3,7 +3,7 @@ IPIP.net officially supported IP database ipdb format parsing library
 
 # Installing
 <pre>
-composer install ipip/db
+composer require ipip/db
 </pre>
 
 # Example Code

src/ipip/db/BaseStation.php

@@ -5,6 +5,7 @@
  * @desc Parse IP library in ipdb format
  * @copyright IPIP.net
  */
+
 namespace ipip\db;
 
 class BaseStation
@@ -29,7 +30,7 @@ public function findMap($ip, $language)
     public function findInfo($ip, $language)
     {
         $map = $this->findMap($ip, $language);
-        if (NULL == $map)
+        if (NULL === $map)
         {
             return NULL;
         }

src/ipip/db/City.php

@@ -30,7 +30,7 @@ public function findMap($ip, $language)
     public function findInfo($ip, $language)
     {
         $map = $this->findMap($ip, $language);
-        if (NULL == $map)
+        if (NULL === $map)
         {
             return NULL;
         }

src/ipip/db/District.php

@@ -30,7 +30,7 @@ public function findMap($ip, $language)
     public function findInfo($ip, $language)
     {
         $map = $this->findMap($ip, $language);
-        if (NULL == $map)
+        if (NULL === $map)
         {
             return NULL;
         }

src/ipip/db/IDC.php

@@ -30,7 +30,7 @@ public function findMap($ip, $language)
     public function findInfo($ip, $language)
     {
         $map = $this->findMap($ip, $language);
-        if (NULL == $map)
+        if (NULL === $map)
         {
             return NULL;
         }

src/ipip/db/Reader.php

@@ -56,7 +56,7 @@ private function init()
 
         $this->meta = json_decode($text, 1);
 
-        if (!isset($this->meta['fields']) || !isset($this->meta['languages']))
+        if (isset($this->meta['fields']) === FALSE || isset($this->meta['languages']) === FALSE)
         {
             throw new \Exception('IP Database metadata error.');
         }
@@ -80,12 +80,12 @@ public function find($ip, $language)
     {
         if (is_resource($this->file) === FALSE)
         {
-            throw new \BadMethodCallException('closed IPIP DB.');
+            throw new \BadMethodCallException('IPIP DB closed.');
         }
 
-        if (!isset($this->meta['languages'][$language]))
+        if (isset($this->meta['languages'][$language]) === FALSE)
         {
-            throw new \InvalidArgumentException("language : {$language} not support");
+            throw new \InvalidArgumentException("language : {$language} not support.");
         }
 
         if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_IPV6) === FALSE)
@@ -125,7 +125,7 @@ public function find($ip, $language)
     public function findMap($ip, $language)
     {
         $array = $this->find($ip, $language);
-        if (NULL == $array)
+        if (NULL === $array)
         {
             return NULL;
         }
@@ -208,7 +208,7 @@ private function findNode($ip)
             return $node;
         }
 
-        throw new \Exception("find node failed");
+        throw new \Exception("find node failed.");
     }
 
     /**
@@ -271,7 +271,7 @@ private function read($stream, $offset, $length)
                 }
             }
 
-            throw new \Exception("The Database file read bad data");
+            throw new \Exception("The Database file read bad data.");
         }
 
         return '';