WP_Filesystem_FTPext::put_contents( string $file, string $contents, int|false $mode = false ): bool

188	public function put_contents( $file, $contents, $mode = false ) {189		$tempfile   = wp_tempnam( $file );190		$temphandle = fopen( $tempfile, 'wb+' );191 192		if ( ! $temphandle ) {193			unlink( $tempfile );194			return false;195		}196 197		mbstring_binary_safe_encoding();198 199		$data_length   = strlen( $contents );200		$bytes_written = fwrite( $temphandle, $contents );201 202		reset_mbstring_encoding();203 204		if ( $data_length !== $bytes_written ) {205			fclose( $temphandle );206			unlink( $tempfile );207			return false;208		}209 210		fseek( $temphandle, 0 ); // Skip back to the start of the file being written to.211 212		$ret = ftp_fput( $this->link, $file, $temphandle, FTP_BINARY );213 214		fclose( $temphandle );215		unlink( $tempfile );216 217		$this->chmod( $file, $mode );218 219		return $ret;220	}