strict declare return type. update some info

Author: inhere

src/StrBuffer.php

@@ -27,31 +27,31 @@ public function __construct(string $content = '')
     /**
      * @param string $content
      */
-    public function write(string $content)
+    public function write(string $content): void
     {
         $this->body .= $content;
     }
 
     /**
      * @param string $content
      */
-    public function append(string $content)
+    public function append(string $content): void
     {
         $this->write($content);
     }
 
     /**
      * @param string $content
      */
-    public function prepend(string $content)
+    public function prepend(string $content): void
     {
         $this->body = $content . $this->body;
     }
 
     /**
      * clear
      */
-    public function clear()
+    public function clear(): void
     {
         $this->body = '';
     }
@@ -67,7 +67,7 @@ public function getBody(): string
     /**
      * @param string $body
      */
-    public function setBody(string $body)
+    public function setBody(string $body): void
     {
         $this->body = $body;
     }

src/StringHelper.php

@@ -881,12 +881,12 @@ public static function format($str, array $replaceParams = [], array $pregParams
         }
 
         if ($replaceParams && \count($replaceParams) === 2) {
-            list($search, $replace) = $replaceParams;
+            [$search, $replace] = $replaceParams;
             $str = str_replace($search, $replace, $str);
         }
 
         if ($pregParams && \count($pregParams) === 2) {
-            list($pattern, $replace) = $pregParams;
+            [$pattern, $replace] = $pregParams;
             $str = preg_replace($pattern, $replace, $str);
         }
 

src/UUID.php

@@ -231,7 +231,7 @@ public static function randomBytes($bytes): string
      * @param integer     $len
      * @return string|null
      */
-    protected static function makeBin($str, $len)
+    protected static function makeBin($str, $len): ?string
     {
         if ($str instanceof self) {
             return $str->bytes;