- var_dump: documentation ( source)
- array_column: documentation ( source)
<?php
$arr = array(
0 => array('id' => 241328, 'name' => 'Fedor'),
1 => array('id' => 243265, 'name' => 'Harry'),
2 => array('id' => 248979, 'name' => 'Robby'),
3 => array('id' => 254321, 'name' => 'Johnny'),
4 => array('id' => 284313, 'name' => 'Rossomaha'),
);
var_dump(array_column($arr, 'name'));