Online PHP editor | refs for 4BglS

<?php class Role { public $public; protected $protected; private $private; public function __construct($prop) { $this->public = $prop; $this->protected = $prop; $this->private = $prop; } } $test = [(new Role(false)), (new Role(1)), (new Role(null)), (new Role("1")), (new Role(2)), (new Role(0))]; var_export( array_unique($test, SORT_REGULAR) ); echo "\n---\n"; var_export( array_filter( $test, fn($o, $k) => array_search($o, $test, true) === $k, ARRAY_FILTER_USE_BOTH ) );