3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Ticket { } class User { } class Employee { } $array = [ new Ticket(), // Ticket 1 new User(), // User 1 new Employee(),// Employee 1 new Ticket(), // Ticket 2 new User(), // User 2 new Ticket(), // Ticket 3 new Employee() // Employee 3 ]; $result = []; foreach ($array as $obj) { if ($obj instanceof Ticket) { unset($ref); $ref = [$obj]; $result[] = &$ref; } else { $ref[] = $obj; } } var_export($result);
Output for 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 ( 0 => array ( 0 => \Ticket::__set_state(array( )), 1 => \User::__set_state(array( )), 2 => \Employee::__set_state(array( )), ), 1 => array ( 0 => \Ticket::__set_state(array( )), 1 => \User::__set_state(array( )), ), 2 => array ( 0 => \Ticket::__set_state(array( )), 1 => \Employee::__set_state(array( )), ), )
Output for 8.1.0 - 8.1.34
array ( 0 => array ( 0 => Ticket::__set_state(array( )), 1 => User::__set_state(array( )), 2 => Employee::__set_state(array( )), ), 1 => array ( 0 => Ticket::__set_state(array( )), 1 => User::__set_state(array( )), ), 2 => array ( 0 => Ticket::__set_state(array( )), 1 => Employee::__set_state(array( )), ), )

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