| Closure | null */ protected string | array | Closure | null $stripCharacters = null; /** * @var array */ protected array $cachedStripCharacters; /** * @param string | array | Closure | null $characters */ public function stripCharacters(string | array | Closure | null $characters): static { $this->stripCharacters = $characters; return $this; } /** * @return array */ public function getStripCharacters(): array { return $this->cachedStripCharacters ??= Arr::wrap($this->evaluate($this->stripCharacters)); } public function hasStripCharacters(): bool { return filled($this->getStripCharacters()); } protected function stripCharactersFromState(mixed $state): mixed { if (! is_string($state)) { return $state; } $stripCharacters = $this->getStripCharacters(); if (empty($stripCharacters)) { return $state; } return str_replace($stripCharacters, '', $state); } }