Add Docker Support

Author: Fan2Shrek

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Not released yet
 
 * Remove mb_string extension requirement
+* Add Docker support
 
 ## 0.1.0 (2023-12-03)
 

README.md

@@ -21,6 +21,7 @@ OsHelper::isWindowsSeven(); // true or false
 OsHelper::isWindowsEightOrHigher(); // true or false
 OsHelper::isWindowsSubsystemForLinux(); // true or false
 OsHelper::isMacOs(); // true or false
+OsHelper::isDocker(); // true or false
 OsHelper::getMacOSVersion(); // 10.15.7
 ```
 

src/OsHelper.php

@@ -15,7 +15,7 @@ public static function isUnix(): bool
 
     public static function isWindowsSubsystemForLinux(): bool
     {
-        return self::isUnix() && str_contains(strtolower(php_uname()), 'microsoft');
+        return !self::isDocker() && self::isUnix() && str_contains(strtolower(php_uname()), 'microsoft');
     }
 
     public static function isWindows(): bool
@@ -50,6 +50,11 @@ public static function isMacOS(): bool
         return str_contains(self::$kernelName, 'Darwin');
     }
 
+    public static function isDocker(): bool
+    {
+        return file_exists('/.dockerenv') || (file_exists('/proc/self/cgroup') && false !== mb_strpos(file_get_contents('/proc/self/cgroup') ?: '', 'docker'));
+    }
+
     public static function getMacOSVersion(): string
     {
         if (!isset(self::$macOSVersion)) {

tests/OsHelperTest.php

@@ -65,6 +65,13 @@ public function testIsMacOS()
         $this->assertSame($isDarwin, OsHelper::isMacOS());
     }
 
+    public function testIsDocker()
+    {
+        $isDocker = file_exists('/.dockerenv') || (file_exists('/proc/self/cgroup') && false !== mb_strpos(file_get_contents('/proc/self/cgroup') ?: '', 'docker'));
+
+        $this->assertSame($isDocker, OsHelper::isDocker());
+    }
+
     public function testGetMacOSVersion()
     {
         if (!OsHelper::isMacOS()) {