3v4l.org

run code in 200+ php & hhvm versions
<?php $LOM = <<<JSON {"id":0,"type":"root","related_dropzone_id":0,"related_dropzone_order":0,"children":{"1376071054231":{"id":"1376071054231","type":"section","related_dropzone_id":0,"related_dropzone_order":1,"dropzones":{"A":1376071054231},"options":{},"children":{"1376071056267":{"id":"1376071056267","type":"section","related_dropzone_id":1376071054231,"related_dropzone_order":0,"dropzones":{"A":1376071056267},"options":{}}}}}} JSON; var_dump(json_decode($LOM, true));