3v4l.org

run code in 300+ PHP versions simultaneously
<?php $class = new \stdClass(); $class->name = 'Test'; var_dump($class); $names = array_column([$class], 'name'); var_dump($names);
Output for 7.0.0 - 7.0.33, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
object(stdClass)#1 (1) { ["name"]=> string(4) "Test" } array(1) { [0]=> string(4) "Test" }
Output for 5.6.0 - 5.6.40
object(stdClass)#1 (1) { ["name"]=> string(4) "Test" } array(0) { }

preferences:
190.65 ms | 401 KiB | 283 Q