private static function memodata($data, $fieldInfo)
{
$out = '';
//Creation of block signature
$out .= pack('C', 0) . pack('C', 0) . pack('C', 0) . pack('C', 0x1);
/*Create the string of the length of the memo data with fixed string size of 8 chars.If the length is less than
* 8 characters then provide a left padding of 0*/
$length = strlen($data);
for ($i = strlen($length); $i < 8; $i++) {
$length = '0' . $length;
}
$out .= pack('C', intval($length[0] . $length[1])) . pack('C', intval($length[2] . $length[3])) . pack('C', intval($length[4] . $length[5])) . pack('C', intval($length[6] . $length[7]));
//appending data to output
$out .= $data;
/*Every memo record should be in multiples of the block size. So provide right padding for the memo
* records which have lengts not in the multiple of block size*/
$lengthOfOut = strlen($out);
$fraction = $lengthOfOut / self::$blockSize - floor($lengthOfOut / self::$blockSize);
$requiredlength = $lengthOfOut + (self::$blockSize - $fraction * self::$blockSize);
$out = str_pad($out, $requiredlength, pack('C', 0), STR_PAD_RIGHT);
$handle = fopen(self::$FPTFileName, 'a');
fwrite($handle, $out);
fclose($handle);
//Clear the cached statics for fetching the current file size
clearstatcache();
$totakeblockno = self::$lastBlockNo;
self::$lastBlockNo = self::$lastBlockNo + strlen($out) / self::$blockSize;
return str_pad($totakeblockno, 10, " ", STR_PAD_LEFT);
}
