Re: How do I access a local variable?
| From: | Ashley Sheridan | Date: | Mon, 20 Apr 2009 06:03:57 +0000 |
| Subject: | Re: How do I access a local variable? | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-291676@lists.php.net to get a copy of this message | ||
On Sun, 2009-04-19 at 21:55 -0400, Paul M Foster wrote:
> On Mon, Apr 20, 2009 at 12:54:27AM +0100, abdulazeez alugo wrote:
>
> >
> > Hi guys,
> >
> > I have a function inside which I set alocal variable to store a result. Can I access this
> > variable in another function? if yes then how?
> >
> > function tbl1($entrytitle, $entrytext)
> >
> > {
> >
> > global $conn;
> >
> > $result= mysql_query("INSERT INTO tbl1(tbl1_id, title, text)
> >
> > VALUES('NULL', '$entrytitle', '$entrytext')",
> > $conn);
> >
> > $tbl_id=mysql_insert_id($conn);// this is the local variable I'm setting to get
> > the last auto increment id
> >
> > }
> >
> >
> >
> > Now I wish to access that variable in another function thus:
> >
> > function tbl2($name, $entrytitle, $entrytext)
> >
> > {
> >
> > global $conn;
> >
> > $result =mysql_query("INSERT INTO tbl2(tbl1_id, name, title, text)
> >
> > VALUES('$tbl1_id', '$name',
> > '$entrytitle', '$entrytext' )", $Conn);
> >
> > }
> >
> >
> >
> > Or is there a better way to store the variable?
>
> If a variable is local to a function, there is no way to access that
> variable outside that function. You can pass it back as a return value
> from the original function, or make it global (not advised) to make it
> visible in other functions.
>
> Paul
>
> --
> Paul M. Foster
>
Or pass it by reference to the functions, so that both are able to make
changes to it.
Ash
www.ashleysheridan.co.uk