I'd like to define snippets dynamically in the index.php file.

Is there a way to do this?

2 Answers 2


You can't set up Snippets, but you can set up Global Variables in your config.php file.

Below is a code example from this blog post titled ExpressionEngine config.php.

$default_global_vars = array(

    // Tag parameters - Short hand tag params
    'global:disable_default'   => 'disable="categories|pagination|member_data"',
    'global:disable_all'       => 'disable="categories|custom_fields|member_data|pagination"',
    'global:cache'             => 'cache="yes" refresh="10"',
    '-global:cache'            => '-cache="yes" refresh="10"', // disable by adding a '-' to the front of the global

    // Date and time - Short hand date and time
    'global:date_time'          => '%g:%i %a',
    'global:date_short'         => '%F %d, %Y',
    'global:date_full'          => '%F %d %Y, %g:%i %a',
    'global:isipad'             => (bool) strpos($user_agent,'iPad'),
    'global:isiphone'           => (bool) strpos($user_agent,'iPhone')


// Make this global so we can add some of the config variables here
global $assign_to_config;

if(!isset($assign_to_config['global_vars'])) {
    $assign_to_config['global_vars'] = array();

$assign_to_config['global_vars'] = array_merge($assign_to_config['global_vars'], $default_global_vars, $env_global_vars);
  • 1
    Nice! I didn't know you could add a global:disable_default parameter. That's awesome. We use globals for a lot of things, but I never even looked at them for a method of setting defaults. Commented Dec 13, 2012 at 7:56
  • They're called global variables, but they look like they'd have to be parsed at the same time as snippets... I'm confused, but I'll try it. :) Commented Dec 13, 2012 at 17:44
  • 1
    To those reading this later: yes "global_vars" assigned in the config file act like snippets; they are available at the beginning of parsing, not the end. Commented Sep 5, 2013 at 20:15

No, you can't generate them dynamically but you can use Snippet Sync or Libraree to use snippets as files and port them into other projects.

I use Libraree as part of my base install with a couple base snippets for a header and footer that I carry through projects. Using config overrides (Focus Lab's Master Config) I set where to store the files and edit away when I set up new projects

// Libraree
$config['libraree_basepath'] = $base_path . '/../snippets/';

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