php issue accessing array

Question

I have the following code :

$results = $Q->get_posts($args);

foreach ($results as $r) {
    print $r['trackArtist'];
}

This is the output :

["SOUL MINORITY"]
["INLAND KNIGHTS"]
["DUKY","LOQUACE"]

My question is, if trackArtist is an array, why can't I run the implode function like this :

$artistString = implode(" , ", $r['trackArtist']);

Thanks

UPDATE :

Yes, it is a string indeed, but from the other side it leaves as an array so I assumed it arrives as an array here also. There must be some processing done in the back.

Any idea how I can extract the information, for example from : ["DUKY","LOQUACE"]

to get :

DUKY, LOQUACE

Thanks for your time

Try var_dump($r['trackArtist']); instead of print(); to check if it is actually an array. — Gerald Schneider
– Gerald Schneider, Commented Apr 4, 2013 at 14:28
echo "<pre>"; print_r($results); echo "</pre>"; whats the Output ? — Fawad Ghafoor
– Fawad Ghafoor, Commented Apr 4, 2013 at 14:29

Mischa · Accepted Answer · 2013-04-04 14:50:07Z

1

It's probably a JSON string. You can do this to get the desired result:

$a = json_decode($r['trackArtist']); // turns your string into an array
$artistString = implode(', ', $a); // now you can use implode

answered Apr 4, 2013 at 14:50

Mischa

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Comments

John Kugelman · Accepted Answer · 2013-04-04 14:28:52Z

1

It looks like it's not actually an array; it's the string '["DUKY","LOQUACE"]' An array would be printed as Array. You can confirm this with:

var_dump($r['trackArtist']);

answered Apr 4, 2013 at 14:28

John Kugelman

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Marcin Orlowski · Accepted Answer · 2013-04-04 14:44:30Z

1

To me content of $r['trackArtist'] is NOT an array. Just regular string or object. Instead of print use print_r() or var_dump() to figure this out and then adjust your code to work correctly with the type of object it really is.

edited Apr 4, 2013 at 14:44

answered Apr 4, 2013 at 14:28

Marcin Orlowski

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2 Comments

M. Suleiman Over a year ago

I guess he meant $r['trackArtist'] is an array, not 'trackArtist'.

Marcin Orlowski Over a year ago

yep. I refered to that. Edited

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