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run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = [ 'Stops' => [ '123'=>['order_number' => 123, 'whatever' => 'meh'], '124'=>['order_number' => 124, 'whatever' => 'meh again'], ] ]; echo json_encode($x);
based on NMMEJ
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.2.6
{"Stops":{"123":{"order_number":123,"whatever":"meh"},"124":{"order_number":124,"whatever":"meh again"}}}