Ash certainly does raise an interesting point. :)
Couldn't you just use DESCRIBE or EXPLAIN the tables through MySQL?
On Sun, Mar 8, 2009 at 4:35 PM, Ashley Sheridan <ash@xxxxxxxxxxxxxxxxxxxx>wrote:
> On Sun, 2009-03-08 at 10:25 -0500, PJ wrote:
> > My mysql table contains data. But I don't know how to verify what
> > exactly is the data... is it an array, an integer, an alphanumeric
> > character or what?
> > vardump($whatever) returns null; the structure of the table is no null
> > for the column fields and has been filled like this:
> > $autoid = 1;
> > $test = $_POST['categoriesIN']; // this can be several selections from
> form
> > $tstring = implode(',' , $test);
> > echo $tstring.'<br />';
> > $insert_category = "INSERT INTO book_categories (book_id, categories_id)
> > VALUES ($autoid, $tstring.)";
> > mysql_query($insert_category,$db);
> >
> > retrieval of data is:
> >
> > from SELECT ...snip...
> > LEFT JOIN book_publisher as abc ON b.id = abc.bookID
> > LEFT JOIN publishers AS c ON abc.publishers_id = c.id
> > LEFT JOIN book_categories AS d ON b.id = d.book_id
> > LEFT JOIN categories AS e ON d.categories_id = e.id
> >
> > I have included the publisher stuff - it works, whereas the category
> > stuff does not...
> >
> > --
> > unheralded genius: "A clean desk is the sign of a dull mind. "
> > -------------------------------------------------------------
> > Phil Jourdan --- pj@xxxxxxxxxxxxx
> > http://www.ptahhotep.com
> > http://www.chiccantine.com/andypantry.php
> >
> >
> Surely if it is your table, you already know what types of data each
> field contains?
>
>
> Ash
> www.ashleysheridan.co.uk
>
>
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