File Content: wordpress-file-system-adapter.php <?php // phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong namespace Yoast\WP\SEO\Llms_Txt\Infrastructure\File; use Yoast\WP\SEO\Llms_Txt\Domain\File\Llms_File_System_Interface; /** * Adapter class for handling file system operations in a WordPress environment. */ class WordPress_File_System_Adapter implements Llms_File_System_Interface { /** * Creates a file and writes the specified content to it. * * @param string $content The content to write into the file. * * @return bool True on success, false on failure. */ public function set_file_content( string $content ): bool { if ( $this->is_file_system_available() ) { global $wp_filesystem; $result = $wp_filesystem->put_contents( $this->get_llms_file_path(), $content, \FS_CHMOD_FILE ); return $result; } return false; } /** * Removes the llms.txt from the filesystem. * * @return bool True on success, false on failure. */ public function remove_file(): bool { if ( $this->is_file_system_available() ) { global $wp_filesystem; $result = $wp_filesystem->delete( $this->get_llms_file_path() ); return $result; } return false; } /** * Gets the contents of the current llms.txt file. * * @return string The content of the file. */ public function get_file_contents(): string { if ( $this->is_file_system_available() ) { global $wp_filesystem; return $wp_filesystem->get_contents( $this->get_llms_file_path() ); } return ''; } /** * Checks if the llms.txt file exists. * * @return bool Whether the llms.txt file exists. */ public function file_exists(): bool { if ( $this->is_file_system_available() ) { global $wp_filesystem; return $wp_filesystem->exists( $this->get_llms_file_path() ); } return false; } /** * Checks if the file system is available. * * @return bool If the file system is available. */ private function is_file_system_available(): ?bool { if ( ! \function_exists( 'WP_Filesystem' ) ) { require_once \ABSPATH . 'wp-admin/includes/file.php'; } return \WP_Filesystem(); } /** * Creates the path to the llms.txt file. * * @return string */ private function get_llms_file_path(): string { $llms_filesystem_path = \get_home_path(); // phpcs:disable WordPress.Security.ValidatedSanitizedInput -- Reason: This is how we used this for the robots.txt file as well. if ( ! \is_writable( $llms_filesystem_path ) && ! empty( $_SERVER['DOCUMENT_ROOT'] ) ) { $llms_filesystem_path = $_SERVER['DOCUMENT_ROOT']; } // phpcs:enable WordPress.Security.ValidatedSanitizedInput /** * Filter: 'wpseo_llmstxt_filesystem_path' - Allows editing the filesystem path of the llmst.txt file to account for server restrictions to the filesystem. * * @param string $llms_filesystem_path The filesystem path of the llmst.txt file that defaults to get_home_path() or the $_SERVER['DOCUMENT_ROOT'] if the home path is not writeable. */ $llms_filesystem_path = \apply_filters( 'wpseo_llmstxt_filesystem_path', $llms_filesystem_path ); return \trailingslashit( $llms_filesystem_path ) . 'llms.txt'; } } Submit