function hook_install_tasks_alter

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7 system.api.php hook_install_tasks_alter(&$tasks, $install_state)
8 system.api.php hook_install_tasks_alter(&$tasks, $install_state)

Alter the full list of installation tasks.

Parameters

$tasks: An array of all available installation tasks, including those provided by Drupal core. You can modify this array to change or replace any part of the Drupal installation process that occurs after the installation profile is selected.

$install_state: An array of information about the current installation state.

Related topics

File

modules/system/system.api.php, line 3839
Hooks provided by Drupal core and the System module.

Code

function hook_install_tasks_alter(&$tasks, $install_state) {
  // Replace the "Choose language" installation task provided by Drupal core
  // with a custom callback function defined by this installation profile.
  $tasks['install_select_locale']['function'] = 'myprofile_locale_selection';
}

Comments

Probably the only two tasks that can be altered in an installation profile are:

Install_import_locales_remaining
Imports additional languages into the system if any have not yet been imported.

and

install_finished
Performs final installation tasks (like clearing caches) and informs the user that the installation process is complete.

See more documentation here

The source code of function install_tasks implies the fact that 'any' core install task after 'install_select_profile' can be altered.