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<?php $locales = array( 'en_GB', 'en-GB', 'en', 'es_ES@EURO', 'es_ES@UTF-8', ); foreach($locales as $locale) { var_dump(Locale::canonicalize($locale)); }
Output for git.master, git.master_jit, rfc.property-hooks
string(5) "en_GB" string(5) "en_GB" string(2) "en" string(18) "es_ES@currency=EUR" string(11) "es_ES_UTF_8"

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