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

247	public function put_contents( $file, $contents, $mode = false ) {248		$tempfile   = wp_tempnam( $file );249		$temphandle = @fopen( $tempfile, 'w+' );250 251		if ( ! $temphandle ) {252			unlink( $tempfile );253			return false;254		}255 256		// The FTP class uses string functions internally during file download/upload.257		mbstring_binary_safe_encoding();258 259		$bytes_written = fwrite( $temphandle, $contents );260 261		if ( false === $bytes_written || strlen( $contents ) !== $bytes_written ) {262			fclose( $temphandle );263			unlink( $tempfile );264 265			reset_mbstring_encoding();266 267			return false;268		}269 270		fseek( $temphandle, 0 ); // Skip back to the start of the file being written to.271 272		$ret = (bool) $this->ftp->fput( $file, $temphandle );273 274		reset_mbstring_encoding();275 276		fclose( $temphandle );277		unlink( $tempfile );278 279		$this->chmod( $file, $mode );280 281		return $ret;282	}