# See the License for the specific language governing permissions and
# limitations under the License.
*/
class Prerequisites
{
public static function php_version()
{
if (version_compare(PHP_VERSION, '5.3.0', '<')) {
trigger_error("<h1>PHP 5.3 or greater is required. You are running " . PHP_VERSION . ".</h1>", E_USER_ERROR);
}
}
public static function crypt_blowfish()
{
if (CRYPT_BLOWFISH != 1) {
trigger_error("<h1>Failed to load the required cryptography library blowfish.</h1>", E_USER_ERROR);
}
}
public static function extension($extension)
{
if (!extension_loaded($extension)) {
trigger_error("<h1>Failed to load required PHP extension " . $extension . "</h1>", E_USER_ERROR);
}
}
}
Prerequisites::php_version();
Prerequisites::crypt_blowfish();
Prerequisites::extension("mysqli");
Prerequisites::extension("json");
Prerequisites::extension("curl");
Prerequisites::extension("mongo");
Prerequisites::extension("ssh2");