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<?php

function slugify($text,$strict = false) {
  $text = html_entity_decode($text, ENT_QUOTES, 'UTF-8');
  // replace non letter or digits by -
  $text = preg_replace('~[^\\pL\d.]+~u', '-', $text);

  // trim
  $text = trim($text, '-');
  setlocale(LC_CTYPE, 'en_GB.utf8');
  // transliterate
  if (function_exists('iconv')) {
     $text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);
  }

  // lowercase
  $text = strtolower($text);
  // remove unwanted characters
  $text = preg_replace('~[^-\w.]+~', '', $text);
  if (empty($text)) {
     return 'empty_$';
  }
  if ($strict) {
      $text = str_replace(".", "_", $text);
  }
  return $text;
}