Im going to parse json to my array by unique values. But here is some problem about array_unique function. For example:
$contract_types = [ "Asset Sale and Purchase Agreement", "Asset Sale and Purchase Agreement", "Concession Agreement" ];
and
return array_unique($contract_types);
gives me: [{ "0": "Asset Sale and Purchase Agreement", "2": "Concession Agreement" }]
What i'm doing wrong?