add more return type declare

Author: inhere

src/Cli.php

@@ -113,7 +113,7 @@ class Cli
      * @param string|int|array $style
      * @return string
      */
-    public static function color($text, $style = null)
+    public static function color($text, $style = null): string
     {
         if (!$text) {
             return $text;
@@ -173,7 +173,7 @@ public static function renderColor($text)
      * @param string $text
      * @return string
      */
-    public static function clearColor($text)
+    public static function clearColor($text): string
     {
         // return preg_replace('/\033\[(?:\d;?)+m/', '' , "\033[0;36mtext\033[0m");
         return preg_replace('/\033\[(?:\d;?)+m/', '', strip_tags($text));
@@ -252,7 +252,7 @@ public static function stderr($message, $nl = true, $quit = -200)
      * \Symfony\Component\Console\Output\OutputStream.
      * @return boolean
      */
-    public static function isSupportColor()
+    public static function isSupportColor(): bool
     {
         return SysEnv::isSupportColor();
     }
@@ -271,7 +271,7 @@ public static function isSupportColor()
      * @param bool $mergeOpts
      * @return array
      */
-    public static function parseArgv(array $noValues = [], $mergeOpts = false)
+    public static function parseArgv(array $noValues = [], $mergeOpts = false): array
     {
         $params = $GLOBALS['argv'];
         reset($params);

src/Sys.php

@@ -67,7 +67,7 @@ public static function exec($command, $logfile = null, $user = null)
      * @param bool $returnStatus
      * @return array
      */
-    public static function runCommand($command, $returnStatus = true)
+    public static function runCommand($command, $returnStatus = true): array
     {
         $return_var = 1;
 

src/SysEnv.php

@@ -75,15 +75,15 @@ public static function isRoot(): bool
     /**
      * @return string
      */
-    public static function getHostname()
+    public static function getHostname(): string
     {
         return php_uname('n');
     }
 
     /**
      * @return string
      */
-    public static function getNullDevice()
+    public static function getNullDevice(): string
     {
         if (self::isUnix()) {
             return '/dev/null';
@@ -98,7 +98,7 @@ public static function getNullDevice()
      * \Symfony\Component\Console\Output\OutputStream.
      * @return boolean
      */
-    public static function isSupportColor()
+    public static function isSupportColor(): bool
     {
         if (DIRECTORY_SEPARATOR === '\\') {
             return
@@ -121,7 +121,7 @@ public static function isSupportColor()
      * @param  int|resource $fileDescriptor
      * @return boolean
      */
-    public static function isInteractive($fileDescriptor)
+    public static function isInteractive($fileDescriptor): bool
     {
         return \function_exists('posix_isatty') && @posix_isatty($fileDescriptor);
     }