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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 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.14, 8.4.1
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) } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/hQKL5 on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/hQKL5 on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/hQKL5 on line 11
Process exited with code 255.

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