In PHP, What is $var [] [] means?

Question

I found this $css['misc/vertical-tabs.css']['data'] when reading Drupal book. I googled it but did not quite get the exact result.

I would like to know what does it mean "$var [] []"?

Please [don't use signatures or taglines in your posts](http://stackoverflow.com/faq#signatures). — user229044, Jul 03 '13 at 18:07
"As of PHP 5.4 you can also use the short array syntax, which replaces array() with []." http://www.php.net/manual/en/language.types.array.php — showdev, Mar 05 '14 at 17:28
possible duplicate of [Reference - What does this symbol mean in PHP?](http://stackoverflow.com/questions/3737139/reference-what-does-this-symbol-mean-in-php) — showdev, Mar 05 '14 at 17:30

score 5 · Answer 1 · edited Jul 03 '13 at 18:09

5

$css is an array containing an element named 'misc/vertical-tabs.css' which is itself an array that contains an element named 'data'

edited Jul 03 '13 at 18:09

IMSoP

answered Jul 03 '13 at 18:05

Steven Mercatante

swapnesh · Answer 2 · 2013-07-03T18:11:09.043

1

Its a 2-D array in php, read more about Arrays.

$test = array(
             array('swapnesh')
            );

echo $test[0][0]; // output- swapnesh

edited Jul 03 '13 at 18:11

answered Jul 03 '13 at 18:05

swapnesh

score 1 · Answer 3 · answered Jul 03 '13 at 19:23

1

Brackets define array keys.

Example: $array[key][key] and so forth. It gets more complicated than that past 2 levels, but this is a fairly simple paradigm:

enter image description here

answered Jul 03 '13 at 19:23

Rob W

score 0 · Answer 4 · answered Jul 03 '13 at 19:31

well it's simply a 2-D array. For example, if you want to group certain things that assosiate to somethings together you might use this.

For example, $person['john']['age'] = 10; $person['john']['gender'] = 'male';....$person['john']['weight'] = '40kg'.

4 Answers4