add some screenshots for cli-utils

Author: inhere

README.md

@@ -12,6 +12,10 @@ composer require toolkit/cli-utils
 
 ![colors](./example/all-color-style.jpg)
 
+## php file highlight
+
+![colors](./example/cli-php-file-highlight.jpg)
+
 ## license
 
 MIT

example/all-color-style.jpg

@@ -11,5 +11,5 @@
 require dirname(__DIR__) . '/test/boot.php';
 
 foreach (Color::getStyles() as $style) {
-    printf(" %s: %s\n", $style, Color::apply($style, 'A message'));
+    printf("    %s: %s\n", $style, Color::apply($style, 'This is a message'));
 }

example/cli-php-file-highlight.jpg

@@ -99,6 +99,14 @@ public static function color(string $text, $style = null): string
      * some helpers
      ******************************************************************************/
 
+    /**
+     * @return bool
+     */
+    public static function supportColor(): bool
+    {
+        return self::isSupportColor();
+    }
+
     /**
      * Returns true if STDOUT supports colorization.
      * This code has been copied and adapted from
@@ -123,6 +131,26 @@ public static function isSupportColor(): bool
         return self::isInteractive(STDOUT);
     }
 
+    /**
+     * @return bool
+     */
+    public static function isSupport256Color(): bool
+    {
+        return DIRECTORY_SEPARATOR === '/' && strpos(getenv('TERM'), '256color') !== false;
+    }
+
+    /**
+     * @return bool
+     */
+    public static function isAnsiSupport(): bool
+    {
+        if (DIRECTORY_SEPARATOR === '\\') {
+            return getenv('ANSICON') === true || getenv('ConEmuANSI') === 'ON';
+        }
+
+        return true;
+    }
+
     /**
      * Returns if the file descriptor is an interactive terminal or not.
      * @param  int|resource $fileDescriptor