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run code in 200+ php & hhvm versions
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<?php $stuff = new StdClass(); $stuff->blah = 1; var_dump($stuff);
Output for 5.0.0 - 7.2.0
object(stdClass)#1 (1) { ["blah"]=> int(1) }
Output for 4.3.0 - 4.4.9
object(stdClass)(1) { ["blah"]=> int(1) }