<?php
 
error_reporting(-1);
mb_internal_encoding('utf-8');
 
$text0 = "ну что.      не смотрел еще black mesa.я собирался скачать  ,но все как-то некогда было.";
$text1 = "roses are red,and violets are blue.whatever you do i'll keep it for you.";
$text2 = "привет.есть 2 функции,preg_split и explode ,не понимаю,в чем между ними разница.";
$textArray = array($text0, $text1, $text2);
 
foreach ($textArray as $currentSentence) {
	$sentenceBreak = preg_split('/[.]/', $currentSentence);
	foreach ($sentenceBreak as $singleSentence) {
		toUpperCase($singleSentence);
	}
}
 
function toUpperCase ($sentence) {
	echo(ucfirst($sentence));
}

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