<?php
$records = array(
array(
'id' => 2135,
'first_name' => 'John',
'last_name' => 'Doe',
),
array(
'id' => 3245,
'first_name' => 'Sally',
'last_name' => 'Smith',
),
array(
'id' => 5342,
'first_name' => 'Jane',
'last_name' => 'Jones',
),
array(
'id' => 5623,
'first_name' => 'Peter',
'last_name' => 'Doe',
)
);
array_walk($records, function ($v, $k) use (&$new) { $result[] = ['first_name' => $v['first_name']]; });
print_r($result);
preferences:
43.23 ms | 402 KiB | 5 Q