WP_Filesystem_FTPext::dirlist( string $path = ‘.’, bool $include_hidden = true, bool $recursive = false ): array|false

Source

public function dirlist( $path = '.', $include_hidden = true, $recursive = false ) {
	if ( $this->is_file( $path ) ) {
		$limit_file = basename( $path );
		$path       = dirname( $path ) . '/';
	} else {
		$limit_file = false;
	}

	$pwd = ftp_pwd( $this->link );

	if ( ! @ftp_chdir( $this->link, $path ) ) { // Can't change to folder = folder doesn't exist.
		return false;
	}

	$list = ftp_rawlist( $this->link, '-a', false );

	@ftp_chdir( $this->link, $pwd );

	if ( empty( $list ) ) { // Empty array = non-existent folder (real folder will show . at least).
		return false;
	}

	$dirlist = array();

	foreach ( $list as $k => $v ) {
		$entry = $this->parselisting( $v );

		if ( empty( $entry ) ) {
			continue;
		}

		if ( '.' === $entry['name'] || '..' === $entry['name'] ) {
			continue;
		}

		if ( ! $include_hidden && '.' === $entry['name'][0] ) {
			continue;
		}

		if ( $limit_file && $entry['name'] !== $limit_file ) {
			continue;
		}

		$dirlist[ $entry['name'] ] = $entry;
	}

	$path = trailingslashit( $path );
	$ret  = array();

	foreach ( (array) $dirlist as $struc ) {
		if ( 'd' === $struc['type'] ) {
			if ( $recursive ) {
				$struc['files'] = $this->dirlist( $path . $struc['name'], $include_hidden, $recursive );
			} else {
				$struc['files'] = array();
			}
		}

		$ret[ $struc['name'] ] = $struc;
	}

	return $ret;
}

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