Changed language folder names

app/Core/Lang.php

@@ -87,10 +87,10 @@ class Lang
                     $this->tr[$lang] = $this->arrayFromStr($file);
                 }
                 $flag = false;
-            } elseif ($lang === 'English') {
+            } elseif ($lang === 'en') {
                 $flag = false;
             }
-            $lang = 'English';
+            $lang = 'en';
         } while ($flag);
 
         $this->loaded[$name][$lang] = true;

app/Models/User/Model.php

@@ -111,14 +111,14 @@ class Model extends DataModel
     {
         $langs = $this->c->Func->getLangs();
 
-        $lang = $this->isGuest || empty($this->a['language']) || ! \in_array($this->a['language'], $langs)
+        $lang = $this->isGuest || empty($this->a['language']) || ! isset($langs[$this->a['language']])
             ? $this->c->config->o_default_lang
             : $this->a['language'];
 
-        if (\in_array($lang, $langs)) {
+        if (isset($langs[$lang])) {
             return $lang;
         } else {
-            return isset($langs[0]) ? $langs[0] : 'English';
+            return \reset($langs) ?: 'en';
         }
     }
 
@@ -131,14 +131,14 @@ class Model extends DataModel
     {
         $styles = $this->c->Func->getStyles();
 
-        $style = $this->isGuest || empty($this->a['style']) || ! \in_array($this->a['style'], $styles)
+        $style = $this->isGuest || empty($this->a['style']) || ! isset($styles[$this->a['style']])
             ? $this->c->config->o_default_style
             : $this->a['style'];
 
-        if (\in_array($style, $styles)) {
+        if (isset($styles[$style])) {
             return $style;
         } else {
-            return isset($styles[0]) ? $styles[0] : 'ForkBB';
+            return \reset($styles) ?: 'ForkBB';
         }
     }
 

app/config/install.php

@@ -15,7 +15,7 @@ return [
     ],
 
     'forConfig' => [
-        'o_default_lang'   => 'English',
+        'o_default_lang'   => 'en',
         'o_default_style'  => 'ForkBB',
         'o_redirect_delay' => 0,
         'o_date_format'    => 'Y-m-d',