Updating Tables

hi everyone: this code didn't insert to the database table $confirm_hash = substr(md5($session_hash . $HTTP_POST_VARS[spelling2] . time()),0,16); // $confirm_hash = confirm_hash $GLOBALS[newWordID] = db_insertid(db_query( "INSERT INTO WORDS (word,spelling1,spelling2,definition,email,Cdate,status,who_submit) " . "VALUES ('$HTTP_POST_VARS[word]','$HTTP_POST_VARS[spelling1]'," . "'$HTTP_POST_VARS[spelling2]','$HTTP_POST_VARS[definition]'," . "'$HTTP_POST_VARS[form_email]','" . time() . ",'P','" // status . $confirm_hash . "'" . ")")); the table discription is +---------------------------+--------------+------+-----+---------+--------- -------+ | Field | Type | Null | Key | Default | Extra | +---------------------------+--------------+------+-----+---------+--------- -------+ | a | int(11) | | PRI | 0 | auto_increment | | word | varchar(50) | | | | | | spelling1 | varchar(50) | YES | | NULL | | | spelling2 | varchar(50) | YES | | NULL | | | spelling3 | varchar(50) | YES | | NULL | | | spelling4 | varchar(50) | YES | | NULL | | | definition | mediumtext | | | NULL | | | who_submit | varchar(70) | | | | | | Cdate | int(11) | | | 0 | | | email_contact | varchar(90) | | | | | | last_date_of_modification | date | YES | | NULL | | | definition_source | varchar(150) | YES | | NULL | | | status | char(1) | YES | | NULL | | +---------------------------+--------------+------+-----+---------+--------- -------+