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<?php $x = [ 'Stops' => [ ['order_number' => 123, 'whatever' => 'meh'], ['order_number' => 124, 'whatever' => 'meh again'], ] ]; echo json_encode($x);
Output for 7.0.0 - 7.0.24, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
{"Stops":[{"order_number":123,"whatever":"meh"},{"order_number":124,"whatever":"meh again"}]}

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164.64 ms | 403 KiB | 189 Q