3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1,2,3); $splarr = SplFixedArray::fromArray($arr); var_dump($splarr == $arr); // Not Equal (should be) var_dump((array)$splarr == $arr); // Equal var_dump($splarr->toArray() == $arr); // Equal
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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
bool(false) bool(true) bool(true)

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194.06 ms | 403 KiB | 300 Q