Re: substr() problems

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I don't see anything initially wrong with this statement, but you might try
a variation and see what you get.

First:
condense this:
$DB_sub_ref = substr($DB_temp_ref , 0, 1);
$DB_sub_ref .= substr($DB_temp_ref , 1, 1);
to this:
$DB_sub_ref = substr($DB_temp_ref , 0, 2);

Your code will run slightly faster...

Second change the third line there to:
$DB_sub_ref .= substr($DB_temp_ref , -1);

That should do the same thing, grab the last character in that string. Try
that and see what you get.

Jeremy




"James Meers" <jambo@xxxxxxxxx> wrote in message
news:CB8DA9AF0B85D948B7A3F404B49C02A76741E3@xxxxxxxxxxxxxxxxxxxx
> Hi all,
>
> I am trying to use substr() negative start, but I get nothing returned -
if i do a positive start then i do get something back, below is my code and
a line of what i get returned:
>
> $DB_ref = "210020007";
>
> $DB_temp_ref = $DB_ref;
>
> $DB_sub_ref = substr($DB_temp_ref , 0, 1);
> $DB_sub_ref .= substr($DB_temp_ref , 1, 1);
> $DB_sub_ref .= substr($DB_temp_ref , -1, 1);
>
> echo "$DB_sub_ref - $DB_ref";
>
> RESULT:
>
> "21 - 210020007"
>
> note: 210020007 is an example this is actually within a while statement
using mysql_fetch_array from a SQL query - all results are not returning the
negative string.
>
> Can anyone help?
>
>
> PHP Version 4.3.3
>
>
> Apache/2.0.47 (Fedora)
>
> Many thanks in advance,
>
> James.
>
>
>
>
>
>
>
>
>

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