original_string: public static function contains($string, $needle, $strict = true, $offset = 0) {
          return (static::indexOf($string, $needle, $strict, $offset) !== false);
      }
code: public static function contains($string, $needle, $strict = true, $offset = 0) {
          return (static::indexOf($string, $needle, $strict, $offset) !== false);
      }
code_tokens: public static function contains ( $ string , $ needle , $ strict = true , $ offset = 0 ) { return ( static :: indexOf ( $ string , $ needle , $ strict , $ offset ) !== false ) ; }
docstring: Check to see if a string exists within this string.
  
  @param string $string
  @param string $needle
  @param bool $strict
  @param int $offset
  @return bool
docstring_tokens: Check to see if a string exists within this string .