add more return type declare

Author: inhere

src/AutoLoader.php

@@ -66,7 +66,7 @@ class AutoLoader
     /**
      * @return self
      */
-    public static function getLoader()
+    public static function getLoader(): self
     {
         if (null !== self::$loader) {
             return self::$loader;

src/PhpError.php

@@ -23,7 +23,7 @@ class PhpError
      * @param null|string $catcher
      * @return array
      */
-    public static function toArray(array $lastError, $catcher = null)
+    public static function toArray(array $lastError, $catcher = null): array
     {
         $digest = 'Fatal Error (' . self::codeToString($lastError['type']) . '): ' . $lastError['message'];
         $data = [
@@ -45,7 +45,7 @@ public static function toArray(array $lastError, $catcher = null)
      * @param int $code
      * @return string
      */
-    public static function codeToString(int $code)
+    public static function codeToString(int $code): string
     {
         switch ($code) {
             case E_ERROR:

src/PhpException.php

@@ -58,7 +58,7 @@ public static function toHtml($e, $getTrace = true, $catcher = null, $clearHtml
      * @param null|string $catcher
      * @return array
      */
-    public static function toArray($e, $getTrace = true, $catcher = null)
+    public static function toArray($e, $getTrace = true, $catcher = null): array
     {
         $data = [
             'class' => \get_class($e),
@@ -85,7 +85,7 @@ public static function toArray($e, $getTrace = true, $catcher = null)
      * @param null|string $catcher
      * @return string the string representation of the exception.
      */
-    public static function toJson($e, $getTrace = true, $catcher = null)
+    public static function toJson($e, $getTrace = true, $catcher = null): string
     {
         if (!$getTrace) {
             $message = json_encode(['msg' => "Error: {$e->getMessage()}"]);

src/PhpHelper.php

@@ -59,7 +59,7 @@ public static function callByArray(callable $cb, array $args)
      * @param bool $realUsage
      * @return array
      */
-    public static function runtime($startTime, $startMem, array $info = [], $realUsage = false)
+    public static function runtime($startTime, $startMem, array $info = [], $realUsage = false): array
     {
         $info['startTime'] = $startTime;
         $info['endTime'] = microtime(true);