<?php
$list = array(
array('hostname' => 'example.org'),
array('hostname' => 'www.example.org'),
array('hostname' => 'example.example.org'),
);
$keys = array_column($list, 'hostname');
var_dump($keys);
- Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- array(3) {
[0]=>
string(11) "example.org"
[1]=>
string(15) "www.example.org"
[2]=>
string(19) "example.example.org"
}
- Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
- Fatal error: Call to undefined function array_column() in /in/CMK1O on line 8
Process exited with code 255. - Output for 4.4.5 - 4.4.9
- Fatal error: Call to undefined function: array_column() in /in/CMK1O on line 8
Process exited with code 255. - Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
- Fatal error: Call to undefined function: array_column() in /in/CMK1O on line 8
Process exited with code 255. - Output for 4.3.0 - 4.3.1
- Fatal error: Call to undefined function: array_column() in /in/CMK1O on line 8
preferences:
237.65 ms | 401 KiB | 383 Q