3v4l.org

run code in 300+ PHP versions simultaneously
<?php $testArray = array( 'percy' => array( 'philip' => array( 'mitch' => array( 'percy' => 'hatcherson', 'mitch' => 'anderson' ) ), 'mitch' => array( 'mitchell', 'anderson', 'percy' => array( 'percy', 'hatcherson' ), 'mitchell' => 'thomas mitchell anderson', 'percy' => 'percy philip hatcherson' ) ) ); $newArray = array(); foreach ($testArray as $k => $v) { $newArray[] = array_column($v, 'percy'); if (is_array($v)) { $newArray[] = array_merge($newArray, array_column($v, 'percy')); } } var_dump($newArray);
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(2) { [0]=> array(1) { [0]=> string(23) "percy philip hatcherson" } [1]=> array(2) { [0]=> array(1) { [0]=> string(23) "percy philip hatcherson" } [1]=> string(23) "percy philip hatcherson" } }
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/hqEte on line 28
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_column() in /in/hqEte on line 28
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/hqEte on line 28
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_column() in /in/hqEte on line 28

preferences:
233.65 ms | 401 KiB | 364 Q