3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new stdClass; $a->id = 1; $b = $a; // mesmo objeto $c = new stdClass; $c->id = 2; $test = array($a, $b, $c); print_r(array_unique($test, SORT_REGULAR));
Output for 5.2.9 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.30, 7.4.0 - 7.4.23, 8.0.0 - 8.0.10, 8.1rc1 - rc2
Array ( [0] => stdClass Object ( [id] => 1 ) [2] => stdClass Object ( [id] => 2 ) )
Output for 4.3.1 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.8
Warning: Wrong parameter count for array_unique() in /in/3O810 on line 16

preferences:
76.6 ms | 461 KiB | 5 Q