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<?php $ar = ['filename.en_us.srt', 'filename.en_uk.srt']; foreach($ar as $a) { $len = strlen($a); $dotcount = substr_count($a, '.') -1; $pos = strpos($a, '.', $dotcount+1); echo substr($a, $pos, -4) . "\n"; }

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48.16 ms | 402 KiB | 5 Q