4 calls to system_list()

list_themes in includes/theme.inc
Returns a list of all currently available themes.
module_list in includes/module.inc
Returns a list of currently active modules.
SystemInfoAlterTestCase::testSystemInfoAlter in modules/system/system.test
Tests that {system}.info is rebuilt after a module that implements hook_system_info_alter() is enabled. Also tests if core *_list() functions return freshly altered info.
system_get_info in modules/system/system.module
Returns an array of information about enabled modules or themes.

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