update LibVoice.php

lib/LibVoice.php

@@ -5,14 +5,27 @@
 use system;
 
 class LibVoice{
-
+    /**
+     * Convert the given message to speech using Termux TTS.
+     *
+     * @param mixed $msg The message to be spoken.
+     *
+     * @return void
+     */
     public static function say(mixed $msg): void{
-      $msg = strtolower("termux-tts-speak {$msg}");
-      $voicemsg = system($msg);
-    //  var_dump($voicemsg);
+        $msg = strtolower("termux-tts-speak {$msg}");
+        $voicemsg = system($msg);
+        // Uncomment the line below to debug the voice message output.
+        // var_dump($voicemsg);
     }
+
+    /**
+     * Listen for speech input using Termux speech-to-text.
+     *
+     * @return string|null The captured speech input, or null if no input is detected.
+     */
     public static function listen(){
         $listen = system("termux-speech-to-text");
         return $listen;
     }
-}
+}