Add function for converting strings to color codes

MD_STD.php

@@ -465,4 +465,18 @@ public static function levenshtein(string $str1, string $str2):int {
         return \levenshtein($str1, $str2);
 
     }
+
+    /**
+     * Converts a string to color codes.
+     *
+     * @param string $str Input string.
+     *
+     * @return string
+     */
+    public static function string_to_color_code(string $str):string {
+
+        $code = substr(dechex(crc32($str)), 0, 6);
+        return $code;
+
+    }
 }