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run code in 200+ php & hhvm versions
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<?php $a = new stdClass(); $a->a = 1; $a->b = 2; $b = (array)$a; var_dump($a); var_dump($b);
based on 6O7kJ
Output for 5.0.0 - 7.2.6
object(stdClass)#1 (2) { ["a"]=> int(1) ["b"]=> int(2) } array(2) { ["a"]=> int(1) ["b"]=> int(2) }
Output for 4.3.0 - 4.4.9
object(stdClass)(2) { ["a"]=> int(1) ["b"]=> int(2) } array(2) { ["a"]=> int(1) ["b"]=> int(2) }