How do I find out if any array is empty?

[KeredDrahcir]

I'm trying the run a function that only executes if an array is empty.
If the array is empty is technically has one element with the value of ''.

if(array_filter($array))

The above code should tell me if the array has one or more non-empty elements and it works. However although it works, I get this message.

Warning: array_filter() [function.array-filter]: The first argument should be an array in /my server/my site /public_html/my file.php on line 40

If there a solution to this please?

[dlite922]

There's several ways to do this, it all depends on what you array actually looks like. it would have helped if you printed a few example arrays. For example if the array has multiple keys but all with empty-string values, does that count as empty?

// check if first element is empty. 

if($myarr[0]) ...

if(strlen($myarr[0]) > 0) ...

$foo = array("key1" => '', "key2" => ' ', "key3" => '   ');

$bar = trim(implode($foo));
if(empty($bar)) ...

you should definitely have a look at php's empty function at php.net/empty

Cheers Mate,


Dan

[KeredDrahcir]

Those suggestions look realy helpful. When I next get back to that probject I'll try them out and let you know.
Thanks.

[KeredDrahcir]

None of those worked.
I counted the araay and it gave me one, if there was one item there and one (presumably) empty item there, but that item didn't seem to be empty. Although I had a look at the result, it gave me nothing.

[zorgi]

array sample and some code of what you done so far would be very helpful here.