You should be able to do this quite well with the str_pad() function. http://us3.php.net/manual/en/function.str-pad.php -M > -----Original Message----- > From: Shaun [mailto:shaunthornburgh@xxxxxxxxxxx] > Sent: Sunday, February 13, 2005 12:09 PM > To: php-general@xxxxxxxxxxxxx > Subject: Ensure a number is three digits long > > Hi, > > I have am trying to create functions to convert strings to > ascii and vice > versa: > > function string_to_ascii( $str ) { > for( $i=0; $i < strlen( $str ); $i++ ) { > $asc .= ord( substr( $str, $i ) ); > } > return $asc; > } > > This function works fine, however I need to ensure that the > ASCII convertions are three digits long so that I know where > to split the ASCII string when converting back to a normal > string. i.e. 97 must be 097. > > Thanks for any advice offered > > -- > PHP General Mailing List (http://www.php.net/) To > unsubscribe, visit: http://www.php.net/unsub.php > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
