- var_dump: documentation ( source)
- json_decode: documentation ( source)
- json_encode: documentation ( source)
<?php
$text = 'планироватТься';
//$text = preg_replace('/[^А-ЯЁ\w\d\t\r\n[:blank:][:punct:]]+/ui', '', $text);
$json = json_encode(['text' => $text], JSON_UNESCAPED_UNICODE);
var_dump($text);
var_dump($json);
echo $json;
$text = json_decode($json);
var_dump($text);