(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0)
Locale::setDefault -- locale_set_default — Sets the default runtime locale
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$locale
) : boolSets the default runtime locale to $locale. This changes the value of INTL global 'default_locale' locale identifier. UAX #35 extensions are accepted.
locale
Is a BCP 47 compliant language tag.
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Example #1 locale_set_default() example
<?php
locale_set_default('de-DE');
echo locale_get_default();
?>
Example #2 OO example
<?php
Locale::setDefault('de-DE');
echo Locale::getDefault();
?>
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de-DE