I found this bug and fixed it but my patch has not been included in the cvs source yet. (Note, someone should give me cvs access to the interbase source.) The problem is that the interbase extension has been pretty much untouched since php3 and I don't think that the null value was added until php4. I have attached the patch, it also changes blobs so that no special processing is necessary to use them. -- Jeremy Bettis [EMAIL PROTECTED] "Kiss Marton" <[EMAIL PROTECTED]> wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Hi! > > I like to insert null values with placeholders in ibase_query. But it > doesn't work. > > $stmt = "insert into category_prop \n". > "(id, category_id, category_prop_type_id, asinteger, asfloat, > ascurrency, asstring) \n". > "values (gen_id(gen_category_prop_id,1),1097,109,?,?,?,?)"; > > $asinteger = null; > $asfloat = 2.5; > $ascurrency = 3; > $asstring = "apple"; > > $sth = ibase_query($dbh, $stmt, > $asinteger, > $asfloat, > $ascurrency, > $asstring); > > This statement insert '0' instead null. 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