microtime.php

<?php

class Kint_Parsers_Microtime extends kintParser {
    private static $_times = array();
    private static $_laps = array();
    protected function _parse(&$variable) {
        if (!is_string($variable) || !preg_match('[0\\.[0-9]{8} [0-9]{10}]', $variable)) {
            return false;
        }
        list($usec, $sec) = explode(" ", $variable);
        $time = (double) $usec + (double) $sec;
        if (KINT_PHP53) {
            $size = memory_get_usage(true);
        }
        
        # '@' is used to prevent the dreaded timezone not set error
        $this->value = @date('Y-m-d H:i:s', $sec) . '.' . substr($usec, 2, 4);
        $numberOfCalls = count(self::$_times);
        if ($numberOfCalls > 0) {
            
            # meh, faster than count($times) > 1
            $lap = $time - end(self::$_times);
            self::$_laps[] = $lap;
            $this->value .= "\n<b>SINCE LAST CALL:</b> <b class=\"kint-microtime\">" . round($lap, 4) . '</b>s.';
            if ($numberOfCalls > 1) {
                $this->value .= "\n<b>SINCE START:</b> " . round($time - self::$_times[0], 4) . 's.';
                $this->value .= "\n<b>AVERAGE DURATION:</b> " . round(array_sum(self::$_laps) / $numberOfCalls, 4) . 's.';
            }
        }
        $unit = array(
            'B',
            'KB',
            'MB',
            'GB',
            'TB',
        );
        if (KINT_PHP53) {
            $this->value .= "\n<b>MEMORY USAGE:</b> " . $size . " bytes (" . round($size / pow(1024, $i = floor(log($size, 1024))), 3) . ' ' . $unit[$i] . ")";
        }
        self::$_times[] = $time;
        $this->type = 'Stats';
    }
    
    /*
    	function test() {
    		d( 'start', microtime() );
    		for ( $i = 0; $i < 10; $i++ ) {
    			d(
    				$duration = mt_rand( 0, 200000 ), // the reported duration will be larger because of Kint overhead
    				usleep( $duration ),
    				microtime()
           );
    		}
    		dd(  );
    	}
    */

}