apply_filters( ‘lang_codes’, string[] $lang_codes, string $code )

Filters the language codes.

Parameters

$lang_codesstring[]: Array of key/value pairs of language codes where key is the short version.
$codestring: A two-letter designation of the language.

$lang_codes = apply_filters( 'lang_codes', $lang_codes, $code );

Used by	Description
format_code_lang()`wp-admin/includes/ms.php`	Returns the language for a language code.

Version	Description
MU (3.0.0)	Introduced.

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