curl_ffi.php

<?php

$libcurl = FFI::cdef(
    <<< CDEF
void *curl_easy_init();
int curl_easy_setopt(void *curl, int Options, ...);
int curl_easy_perform(void *curl);
void curl_easy_cleanup(void *handle);
CDEF,

    'libcurl.so'
);

$url = 'https://nasa.gov';
$ch  = $libcurl->curl_easy_init();
$libcurl->curl_easy_setopt($ch, CURLOPT_URL, $url);
$libcurl->curl_easy_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
$libcurl->curl_easy_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
$libcurl->curl_easy_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
$result = $libcurl->curl_easy_perform($ch);
$libcurl->curl_easy_cleanup($ch);

var_dump($result);