I have a PHP API hosted on a subdomain.

If I submit POST request from PHP the receiving API reads the JSON parameter.
When I submit from the command line it does not.

My PHP API call is this:

<?php
    $url = "https://MySubdomain/MyAPIEndpoint.php";
    $headerfields = array(
        'Accept:application/json',
        'Content-Type: application/json',
    );
    $postfields = array("orderid" => 123456);
    $postfields = json_encode($postfields);
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL,$url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER,true);
    curl_setopt($curl, CURLOPT_POST,1);
    curl_setopt($curl, CURLOPT_POSTFIELDS,$postfields);
    curl_setopt($curl, CURLOPT_HTTPHEADER, $headerfields);
    $result = curl_exec($curl);
    curl_close($curl);
?>

The command line call is this:

    curl --header "Content-Type: application/json" --request POST --data "{"orderid":123456}" https://Mydomain/MyAPIEndPoint.php

The endpoint is reading the JSON passed with this:

    $content = trim(file_get_contents("php://input"));
    $decoded = (json_decode($content, true));
    $orderid = $decoded['orderid'];

The PHP Curl POST works OK but the command line version is returning a warning Trying to access array offset on null – which indicates that the parameter is not set and therefor not being read by my endpoint code.

The aim of this is to be able to build a command line CuRL command to allow me submit it as a ‘fire and forget’ call from an exec() statement.