PHP : transform a 2 dimension array into 1 dimension

Question

Is there any PHP function that can be used in my case ?

Currently I have this array :

array( "1" => "22", "2" => "4", "3" => "0" );

And I need to keep the values and not the keys :

   EDIT (array('votes' => array("22","4","0"));

I've seen that there is the array_values but it retunrs a 2 dimensional array.

Thanks

array_values most certainly does not return a 2 dimensional array. It's as 1-dimensional as a PHP array gets; that is, it had numeric sequential keys starting at 0. — user229044
– user229044 ♦, Commented Feb 17, 2011 at 14:36

Explosion Pills · Accepted Answer · 2011-02-17 14:35:43Z

4

This is not a two dimensional array, it's a one dimensional hash/map. array_values() returns a one dimensional array as well, but it's map is 0 => 22, 1 => 4, 3 => 0, etc. It can be treated like a one dimensional array.

By the way, if you need to ignore the keys for the purposes of iteration, you don't need to use array_values() anyway.

foreach (array( "1" => "22", "2" => "4", "3" => "0" ) as $_) {
   echo "$_\n";
   //22
   //4
   //0
}

answered Feb 17, 2011 at 14:35

Explosion Pills

192k56 gold badges341 silver badges417 bronze badges

Sign up to request clarification or add additional context in comments.

Comments

Marc B · Accepted Answer · 2011-02-17 14:35:16Z

2

PHP arrays are always at least "2d". A key and a value. Even your second "desired" array will still have keys in there. It's impossible to have an array with just keys or just values.

answered Feb 17, 2011 at 14:35

Marc B

362k44 gold badges433 silver badges508 bronze badges

2 Comments

sf_tristanb Over a year ago

Oh sorry for the confusion. Here's what i want to output : (array('votes' => array("22","4","0"))

Marc B Over a year ago

That's easy enough, you could just do $myarray['votes'] = array(22, 4, 0);.

Collectives™ on Stack Overflow

PHP : transform a 2 dimension array into 1 dimension

2 Answers 2

Comments

2 Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

Comments

2 Comments

Your Answer

Sign up or log in

Post as a guest

Related