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User:Adam/Creating MediaWiki bots in PHP/in PHP 4

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A user has written to say that pasting the following code into BasicBot.php will make it work in PHP 4. While the code looks good, I haven't tested it, so use it at your own risk. 

if (!function_exists('file_put_contents') && !defined('FILE_APPEND')) {
  define('FILE_APPEND', 1);
  function file_put_contents($n, $d, $flag = false) {
      if ($flag == FILE_APPEND || strtoupper($flag) == 'FILE_APPEND') {
          $mode = 'a';
      } else {
          $mode = 'w';
      }
      $f = @fopen($n, $mode);
      if ($f === false) {
          return 0;
      } else {
          if (is_array($d)) $d = implode($d);
          $bytes_written = fwrite($f, $d);
          fclose($f);
          return $bytes_written;
      }
  }
}
if (!function_exists("htmlspecialchars_decode")) {
  function htmlspecialchars_decode($string, $quote_style = ENT_COMPAT) {
      return strtr($string, array_flip(
          get_html_translation_table(HTML_SPECIALCHARS, $quote_style))
      );
  }
}

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