从数组中获取相同的索引类型

Question

I would like to get only one index type from an php array

I have this array :

array(
     array 
    (
        "id"=>
        "title"=>"ho"
    ..
    ),
    array 
    (
        "id"=>
        "title"=>"hi"
    ..
),
..
);

i would like to get just "title" without foreach.

like :

array 
(
    "0"=>"ho"
    "1"=>"hi"
)

thx

Answer 1

For PHP 5.4 Use array_column

array_column($arr, 'title');