This library provides a curated list of ISCED-F 2013 fields of study for use in PHP applications.
composer require euf/isced
<?php
require_once 'vendor/autoload.php';
use Isced\IscedFieldsOfStudy;
$iscedF = new IscedFieldsOfStudy();
$list = $iscedF->getList();
try {
$is = $iscedF->isBroad("0711");
} catch (\Throwable $th) {
echo($th->getMessage());
}
$tree = $iscedF->getTree();
echo(json_encode($tree, JSON_PRETTY_PRINT) . "\n");