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<?php $storage = new SplObjectStorage; $foo = (object)['foo' => 'bar']; $storage->attach($foo, ['room' => 'bar']); foreach ($storage as $value) { $obj = $storage->current(); // current object $assoc_key = $storage->getInfo(); // return, if exists, associated with cur. obj. data; else NULL var_dump($obj); var_dump($assoc_dump); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
object(stdClass)#2 (1) { ["foo"]=> string(3) "bar" } Warning: Undefined variable $assoc_dump in /in/2Dqe7 on line 12 NULL
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
object(stdClass)#2 (1) { ["foo"]=> string(3) "bar" } Notice: Undefined variable: assoc_dump in /in/2Dqe7 on line 12 NULL
Output for 7.3.32 - 7.3.33, 7.4.26
object(stdClass)#2 (1) { ["foo"]=> string(3) "bar" } NULL
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 '[' in /in/2Dqe7 on line 4
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 '[' in /in/2Dqe7 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/2Dqe7 on line 4
Process exited with code 255.

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