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<?php $a = new stdClass; $a->id = 2; $b = new stdClass; $b->id = 2; $case1 = array_unique([$a, $b], SORT_REGULAR); $storage = new SplObjectStorage(); $storage->attach($a); $storage->attach($b); $case2 = iterator_to_array($storage); var_dump($case1, $case2);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> object(stdClass)#1 (1) { ["id"]=> int(2) } } array(2) { [0]=> object(stdClass)#1 (1) { ["id"]=> int(2) } [1]=> object(stdClass)#2 (1) { ["id"]=> int(2) } }

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