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check if $defaultLanguage is a valid string before we move on 

Signed-off-by: Bjoern Schiessle <bjoern@schiessle.org>
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Bjoern Schiessle 2017-12-01 16:14:51 +01:00
parent 8b734347b1
commit 2c3d97cc8f
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1 changed files with 3 additions and 2 deletions
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5
lib/private/L10N/Factory.php
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@ -290,8 +290,9 @@ class Factory implements IFactory {
// use formal version of german ("Sie" instead of "Du") if the default
// language is set to 'de_DE' if possible
if (strtolower($lang) === 'de'
&& strtolower($defaultLanguage) === 'de_de' &&
if (is_string($defaultLanguage) &&
strtolower($lang) === 'de' &&
strtolower($defaultLanguage) === 'de_de' &&
$this->languageExists($app, 'de_DE')
) {
$result = 'de_DE';