[Darryus]

any body know about this? what are their function?

=> mysql_real_escape_string
=> eregi_replace

[grace1004]

Please refer to the following links:

mysql_real_escape_string: http://kr.php.net/manual/en/function...ape-string.php

eregi_replace: http://kr.php.net/manual/en/function.eregi-replace.php

If you need further explanation, please let me know.