| public static extractLocaleTagFromFilename ( string $filename ) : mixed | ||
| $filename | string | Filename to extract locale identifier from |
| return | mixed | The string with extracted locale identifier of FALSE on failure |
public static function extractLocaleTagFromFilename($filename)
{
if (strpos($filename, '.') === false) {
return false;
}
$filenameParts = explode('.', $filename);
if (in_array($filenameParts[count($filenameParts) - 2], ['php', 'rss', 'xml'])) {
return false;
} elseif (count($filenameParts) === 2 && preg_match(Locale::PATTERN_MATCH_LOCALEIDENTIFIER, $filenameParts[0]) === 1) {
return $filenameParts[0];
} elseif (preg_match(Locale::PATTERN_MATCH_LOCALEIDENTIFIER, $filenameParts[count($filenameParts) - 2]) === 1) {
return $filenameParts[count($filenameParts) - 2];
} else {
return false;
}
} /**
* @test
* @dataProvider filenamesWithLocale
*/
public function localeIdentifiersAreCorrectlyExtractedFromFilename($filename, $expectedResult)
{
$result = I18n\Utility::extractLocaleTagFromFilename($filename);
$this->assertEquals($expectedResult, $result);
}