empty value checks for array_column [duplicate]

Question

From the following array I can pull the last names by using array_column built in function of PHP. Now, My question is- Can I pull data if last_name is not empty?

$a = array(
  array(
    'id' => 5698,
    'first_name' => 'Peter',
    'last_name' => 'Griffin',
  ),
  array(
    'id' => 4767,
    'first_name' => 'Ben',
    'last_name' => ''
  )
);

$last_names = array_column($a, 'last_name');
print_r($last_names);

That means My output will be Griffin.

Using array_filter()...

Praveen Kumar Purushothaman
– Praveen Kumar Purushothaman

2016-12-06 09:29:32 +00:00
Commented Dec 6, 2016 at 9:29 — Praveen Kumar Purushothaman
– Praveen Kumar Purushothaman, Commented Dec 6, 2016 at 9:29

Drone · Accepted Answer · 2016-12-06 09:34:40Z

2

You can easily do it by array_diff

<?php
$a = array(
  array(
    'id' => 5698,
    'first_name' => 'Peter',
    'last_name' => 'Griffin',
  ),
  array(
    'id' => 4767,
    'first_name' => 'Ben',
    'last_name' => ''
  )
);

$last_names = array_diff(array_column($a, 'last_name'),['']);
print_r($last_names);
?>

Live demo : https://eval.in/691720

answered Dec 6, 2016 at 9:34

Drone

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