original_string: public function contains($inner)
      {
          return mb_strpos(
              $this->contents,
              (string) $inner,
              null,
              $this->encoding
          ) !== false;
      }
code: public function contains($inner)
      {
          return mb_strpos(
              $this->contents,
              (string) $inner,
              null,
              $this->encoding
          ) !== false;
      }
code_tokens: public function contains ( $ inner ) { return mb_strpos ( $ this -> contents , ( string ) $ inner , null , $ this -> encoding ) !== false ; }
docstring: Returns true if the string contains the provided string.
  
  @param string|Rope $inner
  
  @return bool
docstring_tokens: Returns true if the string contains the provided string .