original_string: public function sentinelSearch($value){
  		
  		$l = $this->count();
  		$arr = $this->_Arr;
  		$arr[$l] = $value;
  		$i = 0;
  		
  		while($arr[$i] !== $value){
  			++$i;
  		}
  		
  		return $i !== $l ? $i : static::NO_INDEX;
  		
  	}
code: public function sentinelSearch($value){
  		
  		$l = $this->count();
  		$arr = $this->_Arr;
  		$arr[$l] = $value;
  		$i = 0;
  		
  		while($arr[$i] !== $value){
  			++$i;
  		}
  		
  		return $i !== $l ? $i : static::NO_INDEX;
  		
  	}
code_tokens: public function sentinelSearch ( $ value ) { $ l = $ this -> count ( ) ; $ arr = $ this -> _Arr ; $ arr [ $ l ] = $ value ; $ i = 0 ; while ( $ arr [ $ i ] !== $ value ) { ++ $ i ; } return $ i !== $ l ? $ i : static :: NO_INDEX ; }
docstring: Performs a sentinel search for a value
  @param mixed $value
  @return int -1 for no match
docstring_tokens: Performs a sentinel search for a value