original_string: public function escape($value, $context = 'html')
      {
          if (is_numeric($value)) {
              return $value;
          }
  
          // If we deal with a scalar value, we can cache the result to increase
          // the performance when the same value is escaped multiple times (e.g. loops)
          if (is_scalar($value)) {
              if (!isset(self::$escaperCache[$context][$value])) {
                  self::$escaperCache[$context][$value] = $this->getEscaper($context)($value);
              }
  
              return self::$escaperCache[$context][$value];
          }
  
          return $this->getEscaper($context)($value);
      }
code: public function escape($value, $context = 'html')
      {
          if (is_numeric($value)) {
              return $value;
          }
  
          // If we deal with a scalar value, we can cache the result to increase
          // the performance when the same value is escaped multiple times (e.g. loops)
          if (is_scalar($value)) {
              if (!isset(self::$escaperCache[$context][$value])) {
                  self::$escaperCache[$context][$value] = $this->getEscaper($context)($value);
              }
  
              return self::$escaperCache[$context][$value];
          }
  
          return $this->getEscaper($context)($value);
      }
code_tokens: public function escape ( $ value , $ context = 'html' ) { if ( is_numeric ( $ value ) ) { return $ value ; } // If we deal with a scalar value, we can cache the result to increase // the performance when the same value is escaped multiple times (e.g. loops) if ( is_scalar ( $ value ) ) { if ( ! isset ( self :: $ escaperCache [ $ context ] [ $ value ] ) ) { self :: $ escaperCache [ $ context ] [ $ value ] = $ this -> getEscaper ( $ context ) ( $ value ) ; } return self :: $ escaperCache [ $ context ] [ $ value ] ; } return $ this -> getEscaper ( $ context ) ( $ value ) ; }
docstring: Escapes a string by using the current charset.
  
  @param mixed  $value   A variable to escape
  @param string $context The context name
  
  @return string The escaped value
docstring_tokens: Escapes a string by using the current charset .