3v4l.org

run code in 300+ PHP versions simultaneously

@ 2016-01-21T22:56:56Z

<?php

$str = '<p>\' ‘ ’ ‚ " “ ” „ &amp;amp; © ® ™ °  &nbsp;  &nbsp;    &nbsp;  &nbsp;      &nbsp;   &nbsp;</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(
         '‘' => '&lsquo;',
         '’' => '&rsquo;',
         '‚' => '&sbquo;',
         '“' => '&ldquo;',
         '”' => '&rdquo;',
         '„' => '&bdquo;',
         '©' => '&copy;',
         '®' => '&reg;',
         '™' => '&trade;',
         '°' => '&deg;',
         '•' => '&bull;',
         '–' => '&ndash;',
         '—' => '&mdash;',
         '…' => '&#8230;',
         '¼' => '&#188;',
         '½' => '&#189;',
         '¾' => '&#190;',
         '‰' => '&#8240;',
         '±' => '&#177;',
         '†' => '&#8224;',
         '‡' => '&#8225;',
         '&amp;amp;' => '&amp;',
         '&nbsp;' => ' '
      );
      
      $strict_pool = array(
         '\'' => '&#39;',
         '"' => '&quot;',
         "\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;
   }

Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: <p>' ‘ ’ &sbquo; " “ ” &bdquo; & © ® ™ ° </p> <p>' &OpenCurlyQuote; ’ &sbquo; " &OpenCurlyDoubleQuote; ” &bdquo; &amp&semi;amp&semi; © ® ™ ° &nbsp&semi; &nbsp&semi; &nbsp&semi; &nbsp&semi; &nbsp&semi; &nbsp&semi;</p> <p>' &OpenCurlyQuote; ’ &sbquo; " &OpenCurlyDoubleQuote; ” &bdquo; &amp&semi;amp&semi; © ® ™ ° &nbsp&semi; &nbsp&semi; &nbsp&semi; &nbsp&semi; &nbsp&semi; &nbsp&semi;</p>
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 <p>' ‘ ’ &sbquo; " “ ” &bdquo; & © ® ™ ° </p> <p>' &OpenCurlyQuote; ’ &sbquo; " &OpenCurlyDoubleQuote; ” &bdquo; &amp&semi;amp&semi; © ® ™ ° &nbsp&semi; &nbsp&semi; &nbsp&semi; &nbsp&semi; &nbsp&semi; &nbsp&semi;</p> <p>' &OpenCurlyQuote; ’ &sbquo; " &OpenCurlyDoubleQuote; ” &bdquo; &amp&semi;amp&semi; © ® ™ ° &nbsp&semi; &nbsp&semi; &nbsp&semi; &nbsp&semi; &nbsp&semi; &nbsp&semi;</p>

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