REQUIREMENT_OK

drupal_requirements_severity in core/includes/install.inc

Extracts the highest severity from the requirements array.

locale_requirements in core/modules/locale/locale.install

Implements hook_requirements().

mysql_requirements in core/modules/mysql/mysql.install

Implements hook_requirements().

pgsql_requirements in core/modules/pgsql/pgsql.install

Implements hook_requirements().

StatusReport::preRenderGroupRequirements in core/lib/Drupal/Core/Render/Element/StatusReport.php

#pre_render callback to group requirements.

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