Webbserverprogrammering 1

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webbsrvprg/exercises/strings/

strings.php
strings1.php
strings1fb.php
strings2.php
strings2fb.php
strings3.php
strings3fb.php
strings4.php
strings4fb.php
strings5.php
strings5fb.php
strings6.php

strings6.php

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Stränghantering</title>
</head>
<body>
    <?php
      if (isset($_POST["text"])) {
        $text = $_POST["text"];
        $newText = "";

        $cons = ["b","c","d","f","g","h","j","k","l","m","n","p","q","r","s","t","v","w","x","z"];

        for ($i = 0; $i < mb_strlen($text); $i++) {
          $letter = mb_substr($text, $i, 1);
          $letterLow = mb_convert_case($letter, MB_CASE_LOWER);

          if (in_array($letterLow, $cons)) {
            foreach ($cons as $con) {
              if ($letterLow == $con) {
                $newText = $newText.$letter."o".$letterLow;
              }
            } 
          } else {
            $newText = $newText.$letter;
          }
        }
      }

      echo "<p>$text<br>$newText</p>";
    ?>

  <form method="post" action="">
      <textarea rows="4" cols="10" name="text" placeholder="Text"></textarea><br>
      
      <input type="submit" value="Skicka">
    </form>
</body>
</html>