<?php

$curl = curl_init();
$pauline  = hash('sha256', 'srifi');


curl_setopt_array($curl, array(
    CURLOPT_RETURNTRANSFER => 1,
    CURLOPT_URL => "http://recettesiam9.cstb.fr/api-cours/test-user.php?user=$pauline"
));
$resultsJson = curl_exec($curl);

curl_close($curl);

$results = json_decode($resultsJson);

print_r($results);