fix: syntax error on php 7.4

inhere · inhere · commit 00be0779add1 · 2021-12-05T23:27:42.000+08:00
diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [7.3, 7.4, '8.0'] # 7.2,
+        php: [7.3, 7.4, '8.0', 8.1] # 7.2,
 #        os: [ubuntu-latest] # , macOS-latest, windows-latest,
         coverage: ['none']
         include:
diff --git a/src/CliApp.php b/src/CliApp.php
@@ -302,7 +302,7 @@ protected function initCommandFlags(string $command, $handler): FlagsParser
      *
      * @return mixed
      */
-    public function runHandler(mixed $handler, FlagsParser $cFlags): mixed
+    public function runHandler($handler, FlagsParser $cFlags): mixed
     {
         // function name
         if (is_string($handler) && function_exists($handler)) {

Original file line number	Diff line number	Diff line change
`@@ -302,7 +302,7 @@ protected function initCommandFlags(string $command, $handler): FlagsParser`
`302`	`302`	`*`
`303`	`303`	`* @return mixed`
`304`	`304`	`*/`
`305`		`- public function runHandler(mixed $handler, FlagsParser $cFlags): mixed`
	`305`	`+ public function runHandler($handler, FlagsParser $cFlags): mixed`
`306`	`306`	`{`
`307`	`307`	`// function name`
`308`	`308`	`if (is_string($handler) && function_exists($handler)) {`