original_string: public static function log($str)
      {
          $indent_str = ".";
  
  
          if (!empty(self::$_PHPCAS_DEBUG['filename'])) {
              // Check if file exists and modifiy file permissions to be only
              // readable by the webserver
              if (!file_exists(self::$_PHPCAS_DEBUG['filename'])) {
                  touch(self::$_PHPCAS_DEBUG['filename']);
                  // Chmod will fail on windows
                  @chmod(self::$_PHPCAS_DEBUG['filename'], 0600);
              }
              for ($i = 0; $i < self::$_PHPCAS_DEBUG['indent']; $i++) {
  
                  $indent_str .= '|    ';
              }
              // allow for multiline output with proper identing. Usefull for
              // dumping cas answers etc.
              $str2 = str_replace("\n", "\n" . self::$_PHPCAS_DEBUG['unique_id'] . ' ' . $indent_str, $str);
              error_log(self::$_PHPCAS_DEBUG['unique_id'] . ' ' . $indent_str . $str2 . "\n", 3, self::$_PHPCAS_DEBUG['filename']);
          }
  
      }
code: public static function log($str)
      {
          $indent_str = ".";
  
  
          if (!empty(self::$_PHPCAS_DEBUG['filename'])) {
              // Check if file exists and modifiy file permissions to be only
              // readable by the webserver
              if (!file_exists(self::$_PHPCAS_DEBUG['filename'])) {
                  touch(self::$_PHPCAS_DEBUG['filename']);
                  // Chmod will fail on windows
                  @chmod(self::$_PHPCAS_DEBUG['filename'], 0600);
              }
              for ($i = 0; $i < self::$_PHPCAS_DEBUG['indent']; $i++) {
  
                  $indent_str .= '|    ';
              }
              // allow for multiline output with proper identing. Usefull for
              // dumping cas answers etc.
              $str2 = str_replace("\n", "\n" . self::$_PHPCAS_DEBUG['unique_id'] . ' ' . $indent_str, $str);
              error_log(self::$_PHPCAS_DEBUG['unique_id'] . ' ' . $indent_str . $str2 . "\n", 3, self::$_PHPCAS_DEBUG['filename']);
          }
  
      }
code_tokens: public static function log ( $ str ) { $ indent_str = "." ; if ( ! empty ( self :: $ _PHPCAS_DEBUG [ 'filename' ] ) ) { // Check if file exists and modifiy file permissions to be only // readable by the webserver if ( ! file_exists ( self :: $ _PHPCAS_DEBUG [ 'filename' ] ) ) { touch ( self :: $ _PHPCAS_DEBUG [ 'filename' ] ) ; // Chmod will fail on windows @ chmod ( self :: $ _PHPCAS_DEBUG [ 'filename' ] , 0600 ) ; } for ( $ i = 0 ; $ i < self :: $ _PHPCAS_DEBUG [ 'indent' ] ; $ i ++ ) { $ indent_str .= '|    ' ; } // allow for multiline output with proper identing. Usefull for // dumping cas answers etc. $ str2 = str_replace ( "\n" , "\n" . self :: $ _PHPCAS_DEBUG [ 'unique_id' ] . ' ' . $ indent_str , $ str ) ; error_log ( self :: $ _PHPCAS_DEBUG [ 'unique_id' ] . ' ' . $ indent_str . $ str2 . "\n" , 3 , self :: $ _PHPCAS_DEBUG [ 'filename' ] ) ; } }
docstring: Logs a string in debug mode.
  
  @param string $str the string to write
  
  @return void
  @private
docstring_tokens: Logs a string in debug mode .