apply_filters( ‘themes_update_check_locales’, string[] $locales )

Filters the locales requested for theme translations.

Parameters

$localesstring[]: Theme locales. Default is all available locales of the site.

$locales = array_values( get_available_languages() );

Version	Description
4.5.0	The default value of the `$locales` parameter changed to include all locales.
3.7.0	Introduced.

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