Info.php

<?php

/**
 * Class: Info
 *
 */
class Info
{
    /**
     * getPhpVersion
     * @return string
     *
     */
    public static function getPhpVersion()
    {
        return PHP_VERSION;
    }

    /**
     * getServerInfo
     * @return string
     *
     */
    public static function getServerInfo()
    {
        return php_uname();
    }

    /**
     * getPhpDeclaredClasses
     * @return array
     *
     */
    public static function getPhpDeclaredClasses()
    {
        return get_declared_classes();
    }

    /**
     * getPhpIncludedModules
     * @return array
     *
     */
    public static function getPhpIncludedModules()
    {
        return get_loaded_extensions();
    }

    /**
     * getPhpExtensionDir
     * @return string
     *
     */
    public static function getPhpExtensionDir()
    {
        return PHP_EXTENSION_DIR;
    }
    /**
     * isPhpZts
     * @return bool
     *
     */
    public static function isPhpZts()
    {
        return (bool)PHP_ZTS;
    }
}

var_dump(Info::getPhpExtensionDir(), Info::isPhpZts());

/* https://www.php.net/manual/en/reserved.constants.php */