php отборсловпопервойбукве

Posted 2021-05-04

<form action="" method="GET">
  <textarea name="text" rows="8" cols="80"></textarea>
  <br>
  <input type="submit">
</form>


<?php
  if (isset($_GET['text'])) {
    $text = $_GET['text'];
  }
  else{
    $text = "";
  }
  $words = explode(" ", $text);
  $result_t = "";
  $result_s = "";

  foreach ($words as $word) {
    $first = mb_substr($word, 0, 1 - strlen($word));
    //echo $first . ", ";

    if ($first == "t") {
      $result_t .= $word . " ";
    }
    if ($first == "s") {
      $result_s .= $word . " ";
    }
  }
  echo "[T] - " . $result_t . "<br>";
  echo "[S] - " . $result_s;