Posted by Norman Peelman on 03/11/06 02:32

"Jerry Stuckle" <jstucklex@attglobal.net> wrote in message
news:15edndHF8fD3jpDZ4p2dnA@comcast.com...
> Joe Blow wrote:
> > Can anybody see a problem with this? Am I being stupid?
> >
> > if (!isset($_REQUEST["input"]) || "" == $_REQUEST["input"])
> > {
> > throw new Exception("need query");
> > }
> > else
> > {
> > echo "<p>Search words: $_REQUEST[input]";
> > }
> > /*
> > * split input into array of query words
> > */
> > $queries = array_map(mysql_real_escape_string, explode(" ",
> > $_REQUEST["input"]));
> >
> >
> > This works on one server, running PHP5, but not another. Both apache.
> > I've checked php.ini but cannot see why this seemingly simple bit of
> > code should fail in one instance.
> >
> > In the one where it fails to work $queries is set to "" where I would
> > expect it to be set to an array of the values of $_REQUEST["input"],
> > split at each space.
> >
> > No errors are reported even with error_reporting(E_ALL);
> >
> > $_REQUEST is definitely set as the echo line prints out the input as
> > expected.
> >
>
> Maybe your problem is:
>
> echo "<p>Search words: $_REQUEST['input']";
> ^ ^
>
> P.S. I prefer to use single quotes around constants like this.
>

No,

echo "<p>Search words: $_REQUEST[input]";

is (one of) the correct ways. Single quotes aren't needed/don't work when
the variable is enclosed in double quotes. Unless you enclose the variable
in curly braces:

echo "<p>Search words: {$_REQUEST['input']}";

will work properly too...

Norm

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