[E_DEPRECATED] Error in file 'functions.php' at line 31: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated

[E_DEPRECATED] Error in file 'ePubReader.php' at line 68: Creation of dynamic property LivingFlame\eBook\ePubReader::$nav_address is deprecated

[E_DEPRECATED] Error in file 'ePubReader.php' at line 640: Creation of dynamic property LivingFlame\eBook\ePubReader::$images is deprecated