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run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = ['shipping_fee' => 1, 'return_fee' => 2]; $json = json_encode($array); echo $json;
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.3.0beta1
{"shipping_fee":1,"return_fee":2}