fork(1) download
copy 
  1. <?php
  2.  
  3. if ( ! function_exists('word_censor'))
  4. {
  5.     function word_censor($str, $censored, $replacement = '')
  6.     {
  7.         if ( ! is_array($censored))
  8.         {
  9.             return $str;
  10.         }
  11.  
  12.         $str = ' '.$str.' ';
  13.  
  14.         // \w, \b and a few others do not match on a unicode character
  15.         // set for performance reasons. As a result words like über
  16.         // will not match on a word boundary. Instead, we'll assume that
  17.         // a bad word will be bookeneded by any of these characters.
  18.         $delim = '[-_\'\"`(){}<>\[\]|!?@#%&,.:;^~*+=\/ 0-9\n\r\t]';
  19.  
  20.         foreach ($censored as $badword)
  21.         {
  22.             if ($replacement != '')
  23.             {
  24.                 $str = preg_replace("/({$delim})(".str_replace('\*', '\w*?', preg_quote($badword, '/')).")({$delim})/i", "\\1{$replacement}\\3", $str);
  25.             }
  26.             else
  27.             {
  28.                 $str = preg_replace("/({$delim})(".str_replace('\*', '\w*?', preg_quote($badword, '/')).")({$delim})/ie", "'\\1'.str_repeat('#', strlen('\\2')).'\\3'", $str);
  29.             }
  30.         }
  31.  
  32.         return trim($str);
  33.     }
  34. }
  35.  
  36.  
  37.  
  38. echo word_censor('Texto do comentario com um palavrao', array('palavrao'), '---');
  39. echo "\n";
  40. echo word_censor('Texto do comentario com um palavrao', array('palavrao'));
  41.  
Success #stdin #stdout 0.03s 52480KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Texto do comentario com um ---
Texto do comentario com um ########
https://ideone.com/ceHXdz
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!