Online PHP editor | output for uKi1A

Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5: array ( 2 => array ( 'position' => 0, 'children' => array ( 63 => array ( 'position' => '11', ), 9 => array ( 'position' => '12', 'children' => array ( 77 => array ( 'position' => '1', ), 74 => array ( 'position' => '2', ), 76 => array ( 'position' => '3', ), ), ), 62 => array ( 'position' => '34', ), 5 => array ( 'position' => '44', ), 66 => array ( 'position' => '114', ), 3 => array ( 'position' => '375', ), 6 => array ( 'position' => '567', ), 74 => array ( 'position' => '912', ), 76 => array ( 'position' => '4564', ), ), ), )
Output for 7.3.23 - 7.3.33: Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ')' in /in/uKi1A on line 30
Process exited with code 255.
Output for 7.2.34: Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ',' or ')' in /in/uKi1A on line 30
Process exited with code 255.