<?php
$token = "YOUR_API_TOKEN";

// Create
$ch = curl_init("https://paste.su/dev");
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ["Authorization: Bearer $token"],
    CURLOPT_POST => true,
    CURLOPT_POSTFIELDS => [
        "content" => "Hello from PHP!",
        "type" => "public",
        "expiration" => "unlimited",
        "paste_title" => "PHP Test"
    ]
]);
$resp = curl_exec($ch);
curl_close($ch);
$created = json_decode($resp, true);
print_r($created);

// Fetch
$ch = curl_init("https://paste.su/dev?paste_id=" . $created['paste_id']);
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ["Authorization: Bearer $token"],
]);
$resp = curl_exec($ch);
curl_close($ch);
print_r(json_decode($resp, true));
?>