<?php
$c = curl_init('https://evgengap.amocrm.ru/oauth2/access_token');

curl_setopt($c, CURLOPT_RETURNTRANSFER, true);
curl_setopt($c, CURLOPT_POSTFIELDS, [
    'client_id' => 'e83d341a-320d-4990-94d4-60389348738e',
    'client_secret' => 'Ef6iyA4HOQYgNzBvSmqbNgkhp3HypCzgalvVaMqacclgibD0GhtfGxh4ksyPc7fr',
    'grant_type' => 'authorization_code',
    'code' => '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',
    'redirect_uri' => 'https://gap-academy.ru'
]);
curl_setopt($c, CURLOPT_POST, true);
curl_setopt($c, CURLOPT_SSL_VERIFYPEER, false);

print_r(curl_exec($c));

curl_close($c);