private function MatchChar($tok){
		if( ($this->pos < $this->input_len) && ($this->input[$this->pos] === $tok) ){
			$this->skipWhitespace(1);
			return $tok;
		}
	}
private function MatchChar($tok){
		if( ($this->pos < $this->input_len) && ($this->input[$this->pos] === $tok) ){
			$this->skipWhitespace(1);
			return $tok;
		}
	}
private function MatchChar ( $ tok ) { if ( ( $ this -> pos < $ this -> input_len ) && ( $ this -> input [ $ this -> pos ] === $ tok ) ) { $ this -> skipWhitespace ( 1 ) ; return $ tok ; } }
Match a single character in the input,
Match a single character in the input