thorsten / phpMyFAQ

					$table[$tag]['data'] = substr($table[$tag]['data'], 0, 8)."\x0\x0\x0\x0".substr($table[$tag]['data'], 12);

				}

				$pad = 4 - ($table[$tag]['length'] % 4);

				if ($pad != 4) {

					// the length of a table must be a multiple of four bytes

					$table[$tag]['length'] += $pad;

					$table[$tag]['data'] .= str_repeat("\x0", $pad);

				}

				$table[$tag]['offset'] = $offset;

				$offset += $table[$tag]['length'];

				// check sum is not changed (so keep the following line commented)

		$table['loca']['data'] = $loca;

		$table['loca']['length'] = strlen($loca);

		$pad = 4 - ($table['loca']['length'] % 4);

		if ($pad != 4) {

			// the length of a table must be a multiple of four bytes

			$table['loca']['length'] += $pad;

			$table['loca']['data'] .= str_repeat("\x0", $pad);

		}

		$table['loca']['offset'] = $offset;

		$table['loca']['checkSum'] = self::_getTTFtableChecksum($table['loca']['data'], $table['loca']['length']);

		$offset += $table['loca']['length'];

		$table['glyf']['data'] = $glyf;

		$table['glyf']['length'] = strlen($glyf);

		$pad = 4 - ($table['glyf']['length'] % 4);

		if ($pad != 4) {

			// the length of a table must be a multiple of four bytes

			$table['glyf']['length'] += $pad;

			$table['glyf']['data'] .= str_repeat("\x0", $pad);

		}

		$table['glyf']['offset'] = $offset;

		$table['glyf']['checkSum'] = self::_getTTFtableChecksum($table['glyf']['data'], $table['glyf']['length']);

		// rebuild font