- json_encode: documentation ( source)
- http_build_query: documentation ( source)
<?php
$x = [
'contractors_claims_1c_id' => 'd-6543254',
'contractors_claims_types_id' => 1,
'suppliers_id' => 30,
'categories_id' => 29031,
'contractors_claims_total'=> 3000,
'contractors_claims_customers_id' => null ,
'products' => [
65477,
655545
]
,'key' => '1c_secret_key'
];
echo http_build_query(['data' => json_encode($x),'key' => '1c_secret_key']);