PHP Decode

<?php
$dadosjson = array("\144\164" => array("\x63\157\165\156\x74\x72\x69\145\x73" => null, "\141\x63\150\151\x65\x76\x65\x6d\x65\x6e\164\163" => null, "\x6c\x65\x76\145\x6c\x41\x63\164\151\x6f\x6e\x50\x65\x72\x6d\151\x73\x73\151\157\156\163" => null, "\x67\x61\155\145\x43\150\x61\x74\105\155\157\x74\x69\143\x6f\156\124\x65\155\x70\154\141\164\x65\104\141\164\141\x73" => null, "\147\x61\155\x65\123\160\x65\x63\x69\146\x69\143\124\x68\162\x65\163\150\157\x6c\x64\111\144" => null, "\143\157\156\146\151\x67\x75\x72\x61\164\151\157\x6e\123\145\x74\x74\151\156\x67" => null, "\x6f\156\154\151\x6e\145\x50\x6c\141\x79\x65\x72\x43\157\x75\156\164\x73" => null, "\x70\154\141\171\x65\162\x46\141\x76\157\x75\x72\x69\x74\x65\x47\x61\155\145\163\104\x61\x74\141\163" => null, "\x70\154\x61\171\x65\x72\x50\x72\157\146\x69\x6c\145\x49\x6e\x66\x6f" => null, "\x6c\145\x76\x65\x6c\x42\141\x63\x6b\147\162\157\x75\x6e\x64" => null, "\157\x6e\154\151\156\145\x50\x6c\141\171\145\x72\x43\157\165\156\x74" => null), "\145\x72\162" => null);
echo json_encode($dadosjson, JSON_UNESCAPED_SLASHES);