start(); * * // Do something, e.g. loop 1000000 times * * // stop timer and check your e_LOG folder * $bench->end()->logResult('myevent'); * //OR print out the result (don't forget to stop the timer if used without the above line! * $bench->printResult(); * */ class e_benchmark { protected $time_start; protected $time_end; /** * Constructor */ function __construct() { $this->time_end = $this->time_start = 0; } /** * Start timer * @return benchmark */ public function start() { $this->time_start = microtime(true); return $this; } /** * Stop timer * @return benchmark */ public function end() { $this->time_end = microtime(true); return $this; } /** * Calculate result * @return integer */ public function result() { return ($this->time_end - $this->time_start); } /** * Write result to a file in system log * @param string $id identifier of the current benchmark event e.g. 'thumbnail.create' * @param string $heading additional data to be shown in the log (header) e.g. '[Some Event]' * @param boolean $append overwrite or append to the log file * @return benchmark */ public function logResult($id, $heading = '', $append = true) { file_put_contents(e_LOG.'Benchmark_'.$id.'.log', $this->formatData($heading), ($append ? FILE_APPEND : 0)); return $this; } /** * Send result to the stdout * * @param string $heading * @return string */ public function printResult($heading = '') { print('

'.$this->formatData($heading).'

'); return $this; } /** * Format data for loging/printing * * @param string $heading * @return string */ function formatData($heading) { $data = "------------- Log Start -------------\n".date('r')." ".$heading."\n"; $data .= "Result: ".$this->result()." sec\n------------- Log End -------------\n\n"; return $data; } }