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<?php $a = array(); $a[] = array('a' => 1); $a[] = array('a' => 2); $a[] = array('a' => 3); $column = 'a'; $res = array_map(function ($item) use ($column) {return is_object($item) ? $item->{$column} : $item[$column]; }, $a); var_dump($res);
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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]=> int(1) [1]=> int(2) [2]=> int(3) }
preferences:
205.25 ms | 404 KiB | 242 Q