How PHP uses array_column to return the value of a single column in the input array

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Array_column returns the value of a single column in the input array.

Similar functions are

ArrayHelper::index in 1 Yii2 ($array, 'id')

$query- > select (['last_name',' id'])-> indexBy ('id')-> column () in 2 Yii2

/ / the array $a = array may be returned from the database ('id' = > 5698,' first_name' = > 'Peter',' last_name' = > 'Griffin',), array (' id' = > 4767, 'first_name' = >' Ben', 'last_name' = >' Smith',), array ('id' = > 3809,' first_name' = > 'Joe',' last_name' = > 'Doe',)) $last_names = array_column ($a, 'last_name',' id'); print_r ($last_names)

Output result:

Array

(

[5698] = > Griffin

[4767] = > Smith

[3809] = > Doe

)

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