3v4l.org

run code in 300+ PHP versions simultaneously
<?php $indexed = [ (object)['id' => 'john', 'name' => 'John', 'age' => 29], (object)['id' => 'peter', 'name' => 'Peter', 'age' => 30], (object)['id' => 'harry', 'name' => 'Harry', 'age' => 19], ]; var_export(array_column($indexed, null, 'id'));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 'john' => (object) array( 'id' => 'john', 'name' => 'John', 'age' => 29, ), 'peter' => (object) array( 'id' => 'peter', 'name' => 'Peter', 'age' => 30, ), 'harry' => (object) array( 'id' => 'harry', 'name' => 'Harry', 'age' => 19, ), )
preferences:
99.18 ms | 1302 KiB | 4 Q