Online PHP editor | refs for BSYms

<?php $str = '<p>\' ‘ ’ ‚ " “ ” „ &amp; © ® ™ °            </p>'; echo clean($str); echo PHP_EOL.PHP_EOL; $htmlent = htmlentities($str, ENT_HTML5 | ENT_QUOTES, 'UTF-8'); echo $htmlent; echo PHP_EOL.PHP_EOL; echo clean($htmlent); function clean($str_clean, $strict_clean = true, $punct_clean = true) { $base_pool = array( '‘' => '‘', '’' => '’', '‚' => '&sbquo;', '“' => '“', '”' => '”', '„' => '&bdquo;', '©' => '©', '®' => '®', '™' => '™', '°' => '°', '•' => '•', '–' => '–', '—' => '—', '…' => '…', '¼' => '¼', '½' => '½', '¾' => '¾', '‰' => '‰', '±' => '±', '†' => '†', '‡' => '‡', '&amp;' => '&', ' ' => ' ' ); $strict_pool = array( '\'' => ''', '"' => '"', "\r" => ' ', "\n" => ' ', "\t" => ' ' ); // if strict param is true we will clean harder (default true) if ($strict_clean) { $base_pool = array_merge($strict_pool, $base_pool); } foreach ($base_pool as $key => $value) { $str_clean = str_replace($key, $value, $str_clean); // iterate through pool key => values and replace in $str_clean } // if punct param is true we will add spaces after punctuation (default true) if ($punct_clean) { $str_clean = preg_replace('/([!?,.])(\S)/', '$1 $2', $str_clean); // parse punctuation and add trail space } $str_clean = preg_replace("/\s+/", ' ', $str_clean); // filter multiple spaces into single return $str_clean; }