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run code in 300+ PHP versions simultaneously
<?php class Test {} function addToStorage(\SplObjectStorage $storage, Test $test) { if (!$storage->contains($test)) { $storage->attach($test); } } $storage = new \SplObjectStorage(); $test1 = new Test(); $test2 = new Test(); addToStorage($storage, $test1); addToStorage($storage, $test2); echo $storage->count();
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
2

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160.5 ms | 404 KiB | 242 Q