public function displayPerformanceMetrics(string $output): string
	{
		$this->totalTime = $this->benchmark->getElapsedTime('total_execution');

		$output = str_replace('{elapsed_time}', $this->totalTime, $output);

		return $output;
	}
public function displayPerformanceMetrics(string $output): string
	{
		$this->totalTime = $this->benchmark->getElapsedTime('total_execution');

		$output = str_replace('{elapsed_time}', $this->totalTime, $output);

		return $output;
	}
public function displayPerformanceMetrics ( string $ output ) : string { $ this -> totalTime = $ this -> benchmark -> getElapsedTime ( 'total_execution' ) ; $ output = str_replace ( '{elapsed_time}' , $ this -> totalTime , $ output ) ; return $ output ; }
Replaces the memory_usage and elapsed_time tags.

@param string $output

@return string
Replaces the memory_usage and elapsed_time tags .