how get each single column data from php multidimensional into single column array?
like $_test = = array(
array(
'id' => 1001,
'first_name' => 'kalpesh',
'last_name' => 'gamit',
),
array(
'id' => 1002,
'first_name' => 'kartik',
'last_name' => 'patel',
),
array(
'id' => 2002,
'first_name' => 'smith',
'last_name' => 'Jones',
),
array(
'id' => 4004,
'first_name' => 'patel',
'last_name' => 'Doe',
)
);
want result like id OR first_name only without use loop like while, foreach, for etc
Array
(
[0] => 1001
[1] => 1002
[2] => 2002
[3] => 4004
)
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