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run code in 200+ php & hhvm versions
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<?php $json = json_encode([ "anyad" => 12322323221122.232323232323 ]); var_dump(json_decode($json));
based on fQ9IM
Output for 7.1.0 - 7.2.0
object(stdClass)#1 (1) { ["anyad"]=> float(12322323221122) }
Output for 5.5.0 - 7.0.20
object(stdClass)#1 (1) { ["anyad"]=> int(12322323221122) }