From 8fa29cc50a942c417d56a2b6a45906ba8e5af5fb Mon Sep 17 00:00:00 2001
From: Ziqiu Zhu <zzqshu@126.com>
Date: Thu, 14 Dec 2017 15:10:21 +0800
Subject: [PATCH] improved code

---
 src/util/download.php | 2 +-
 src/util/request.php  | 8 +-------
 src/wikipedia.php     | 4 ++--
 src/zhihu.php         | 6 +++---
 4 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/src/util/download.php b/src/util/download.php
index a83e8a6..e94d042 100755
--- a/src/util/download.php
+++ b/src/util/download.php
@@ -17,7 +17,7 @@ function initDownloadDir($clear) {
 function saveAndReturnFile($url, $name = null) {
     global $download_dir;
 
-    if (!$name) $name = uniqid();
+    if (is_null($name)) $name = uniqid();
     $path = $download_dir.'/'.$name;
 
     file_put_contents($path, file_get_contents($url));
diff --git a/src/util/request.php b/src/util/request.php
index 425f101..c0a4d11 100644
--- a/src/util/request.php
+++ b/src/util/request.php
@@ -21,13 +21,7 @@ function request($url = null, $options = null) {
         foreach ($options as $k => $v)
             $defaults[$k] = $v;
 
-    array_filter($defaults,
-        function($a) {
-            if ($a == '' || $a == null)
-                return false;
-            else
-                return true;
-    });
+    array_filter($defaults, function($a) { return !empty($a); });
 
     $ch = curl_init();
     curl_setopt_array($ch, $defaults);
diff --git a/src/wikipedia.php b/src/wikipedia.php
index dbb4ac2..8582720 100644
--- a/src/wikipedia.php
+++ b/src/wikipedia.php
@@ -9,7 +9,7 @@
 
 $wf = new Workflow;
 
-if (strpos($query, ' ') !== FALSE) {
+if (strpos($query, ' ') !== false) {
     $parts = explode(' ', $query);
     $code = array_shift($parts);
     $query = implode(' ', $parts);
@@ -31,7 +31,7 @@
             ->quicklookurl("$url");
     }
 
-    if (count($json[1]) == 0) {
+    if (count($json[1]) === 0) {
         $wf->result()
             ->title('No Suggestions')
             ->subtitle('No search suggestions found. Search Wikipedia.'.$code.' for '.$query)
diff --git a/src/zhihu.php b/src/zhihu.php
index 045127a..1dfe108 100644
--- a/src/zhihu.php
+++ b/src/zhihu.php
@@ -11,14 +11,14 @@
 $wf = new Workflow;
 
 $download_dir = getenv('alfred_workflow_cache').'/zhihu';
-initDownloadDir(TRUE);
+initDownloadDir(true);
 
 $response = request('https://www.zhihu.com/autocomplete?token='.urlencode($query));
 $json = json_decode(mb_convert_encoding($response, 'UTF-8', 'HTML-ENTITIES'))[0];
 
 foreach ($json as $sugg) {
     if (is_array($sugg)) {
-        $matched = TRUE;
+        $matched = true;
         $type = $sugg[0];
         switch ($type) {
             case 'topic':
@@ -46,7 +46,7 @@
                 $icon = ICON;
                 break;
             default:
-                $matched = FALSE;
+                $matched = false;
                 break;
         }