Posting Data Getting JSON Back

I’m posting data via fetch to a page, it’s doing something with my database and I want to return a JSON message.

Here’s what I’ve got

My Post

“`
fetch(“../process/do_something_.php”,
{
body: formData,
method: “post”
})
.then(response => {
response.json()
})
.then(data => console.log(data));
}
“`

do_something.php

“`
header(‘Content-type: application/json’);
if ($error === 0){
$array = array(‘user’ => $ID, ‘outcome’ => true);
echo json_encode($array);

} else {
$array = array(‘user’ => 0, ‘outcome’ => false);
echo json_encode($array);
}
“`

I’m constantly getting

“VM162:1 Uncaught (in promise) SyntaxError: Unexpected end of JSON input”

What am I doing wrong?

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