original_string: public function startsWith($substring) {
  		$substringLength = mb_strlen($substring, $this->encoding);
  		$startOfStr = mb_substr($this->string, 0, $substringLength, $this->encoding);
  
  		return (string) $substring === $startOfStr;
  	}
code: public function startsWith($substring) {
  		$substringLength = mb_strlen($substring, $this->encoding);
  		$startOfStr = mb_substr($this->string, 0, $substringLength, $this->encoding);
  
  		return (string) $substring === $startOfStr;
  	}
code_tokens: public function startsWith ( $ substring ) { $ substringLength = mb_strlen ( $ substring , $ this -> encoding ) ; $ startOfStr = mb_substr ( $ this -> string , 0 , $ substringLength , $ this -> encoding ) ; return ( string ) $ substring === $ startOfStr ; }
docstring: Checks whether the string starts with the given string. Case sensitive!
  
  @see Text::startsWithIgnoreCase()
  @param string|Text $substring The substring to look for
  @return boolean
docstring_tokens: Checks whether the string starts with the given string . Case sensitive!