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<?php class Address { public function __construct( public string $streetNumber, public string $streetName ) {} } $addresses = [ new Address('5', 'Main St'), new Address('10', 'Main St'), new Address('10', 'Main St'), new Address('3A', 'Main St'), new Address('5', 'Main St'), ]; var_dump(array_unique($addresses, SORT_REGULAR));
Output for git.master, git.master_jit
array(4) { [0]=> object(Address)#1 (2) { ["streetNumber"]=> string(1) "5" ["streetName"]=> string(7) "Main St" } [1]=> object(Address)#2 (2) { ["streetNumber"]=> string(2) "10" ["streetName"]=> string(7) "Main St" } [3]=> object(Address)#4 (2) { ["streetNumber"]=> string(2) "3A" ["streetName"]=> string(7) "Main St" } [4]=> object(Address)#5 (2) { ["streetNumber"]=> string(1) "5" ["streetName"]=> string(7) "Main St" } }

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