style_key = $style_key; } public static function make( string $style_key ) { return new static( $style_key ); } public function add( string $font ) { $style_fonts = $this->get_fonts(); if ( ! in_array( $font, $style_fonts, true ) ) { $style_fonts[] = $font; $this->update_fonts( $style_fonts ); } } public function get(): array { return $this->get_fonts(); } public function clear() { $this->update_fonts( [] ); } private function get_fonts(): array { $style_fonts_key = $this->get_key(); return get_option( $style_fonts_key, [] ); } private function update_fonts( array $fonts ) { $style_fonts_key = $this->get_key(); if ( empty( $fonts ) ) { delete_option( $style_fonts_key ); return; } update_option( $style_fonts_key, $fonts, false ); } private function get_key(): string { return FONTS_KEY_PREFIX . $this->style_key; } }