/**
 * Fix MFC mojibake by deterministic replacement → real emoji.
 * SAFE, idempotent, fast.
 */
function repair_text(string $s): string {
  if ($s === '') return $s;

  // 1) remove zero-width & invisible junk
  $s = preg_replace('/[\x{200B}-\x{200D}\x{FEFF}]/u', '', $s) ?? $s;

  // 2) deterministic mojibake → emoji map (MFC specific)
  static $map = [
    // hearts / love
    '♥'  => '♥',
    '❤' => '❤️',
    '❤️' => '❤️',

    // devil / naughty
    '😈' => '😈',

    // fire / hot
    '🔥' => '🔥',

    // peach / ass
    '🍑' => '🍑',

    // water / wet
    '💦' => '💦',

    // camera / video
    '📽' => '📽',
    '🎬' => '🎬',

    // sparkle / stars
    '✨' => '✨',
    '🌟' => '🌟',

    // house / goals
    '🏡' => '🏡',

    // paw / pets
    '🐾' => '🐾',

    // dice / random
    '🎲' => '🎲',
  ];

  $s = strtr($s, $map);

  // 3) fix broken apostrophes & quotes
  $s = str_replace(
    ['​', '’', '“', '”'],
    ['', '’', '“', '”'],
    $s
  );

  // 4) normalize spaces
  $s = preg_replace('/\s+/u', ' ', $s) ?? $s;

  return trim($s);
}
<br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined function repair_text() in /home/myfreecams/htdocs/myfreecams.download/model.php:203
Stack trace:
#0 {main}
  thrown in <b>/home/myfreecams/htdocs/myfreecams.download/model.php</b> on line <b>203</b><br />