install_redirect_url($install_state) Returns the URL that should be redirected to during an installation request
install_profile_modules(&$install_state) Installs required modules via a batch process.
install_verify_completed_task() Verifies and returns the last installation task that was completed.
install_tasks($install_state) Returns a list of all tasks the installer currently knows about.
install_state_defaults() Returns an array of default settings for the global installation state.
install_get_form($form_id, array &$install_state) Builds and processes a form for the installer environment
API functions for installing Drupal. File core/includes/install.core.inc Functions
install_verify_database_ready() Verify that the database is ready (no existing Drupal installation).
install_download_translation(&$install_state) Download a translation file for the selected language.
_install_prepare_import($langcodes, $server_pattern) Tells the translation import process that Drupal core
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