On 11/07/07, Robert Cummings <[EMAIL PROTECTED]> wrote:
On Wed, 2007-07-11 at 09:46 +0100, Robin Vickery wrote:
> On 11/07/07, kvigor <[EMAIL PROTECTED]> wrote:
> > Is there a php function similar to in_array that can detect if a "partial
> > value" is in an array value or not:
> >
> > e.g.
> >
> > $var1 = " big horse";    $var2 = " small yellow";    $var3 = " red hydrant";
> >
> > $theArray = array(big blue horse, small yellow bird, giant red hydrant);
> >
> > Is there a way to find out if $var1 in $theArray or $var2 etc.?
>
> There's not a built in function, but it's not hard to write one:
>
> function partial_in_array($needle, $haystack) {
>   if (!is_array($needle)) { $needle = array($needle); }

You can reduce the above statement to the following:

    $needle = (array)$needle;

Conversion to array creates an array with one element... the value
converted.

Fair enough. I very rarely type cast in PHP, so it never occurred to
me to try that.

-robin

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