Start time measurement

# HRTime\StopWatch::start

(PECL hrtime >= 0.4.3)

HRTime\StopWatch::start — Start time measurement

### Description

public HRTime\StopWatch::start ( void ) : void

Starts the time measurement. It has no effect if the measurement was already started. The measurement will be continued if it was previously stopped.

### Liste de paramètres

Cette fonction ne contient aucun paramètre.

### Valeurs de retour

Returns void.