Online PHP editor | output for 5bk7I

<?php $t= "3 00:00:45,607 --> 00:00:49,202 Good morning, it's GLR Breakfast on 94.9 FM... 早上好，这里是调频94.9 GLR早餐电台 4 00:00:54,727 --> 00:00:56,319 Wha...?! 什么？ 5 00:01:03,527 --> 00:01:05,722 Oh, no! 噢，不 6 00:01:16,207 --> 00:01:20,564 Don't go back to sleep, you lazy sowI It's 8 o'clockI 你敢睡回笼觉，已经八点了你个懒鬼已经八点了你个懒鬼已经八点了你个懒鬼已经八点了你个懒鬼 7 00:01:20,727 --> 00:01:24,766 You've got three seconds before the saucepan lidsI 在锅铲乐前你还有三秒在锅铲乐前你还有三秒 8 00:01:28,447 --> 00:01:31,644 Oh, yes! All right! 好吧，好吧"; $arr =explode(PHP_EOL.PHP_EOL, $t); Foreach($arr as &$group){ $lines = explode(PHP_EOL, $group); For($i=2;$i<count($lines);$i++){ If(preg_match("/[a-zA-Z \.,?!]{3,}/", $lines[$i])){ unset($lines[$i]); } } $group = implode(PHP_EOL, $lines); } Echo implode(PHP_EOL.PHP_EOL, $arr);