Il existe 2 façons de faire des inclusions :
<?php include(FROG_ROOT.'/public/layouts/normal.php'); ?>
ou (plus "joli")
<?php include('../public/layouts/normal.php'); ?>

Voici les principales différences entre include et require:

  • include() – includes a file, but the script continues executing if it can’t be found.
  • include_once() – includes a file like above, but makes sure it only gets included exactly once.
  • require() – includes a file and halts script execution if the file can’t be found.
  • require_once() – includes a file like above, but makes sure it only gets included exactly once.