static public function start( $flags = 0, $options = array() )
    {
        if ( !extension_loaded( 'xhprof' ) )
        {
            eZPerfLoggerDebug::writeWarning( 'Extension xhprof not loaded, can not start profiling', __METHOD__ );
            return false;
        }
        xhprof_enable( $flags + XHPROF_FLAGS_CPU + XHPROF_FLAGS_MEMORY, $options );
        self::$profilingRunning = true;
        return true;
    }
static public function start( $flags = 0, $options = array() )
    {
        if ( !extension_loaded( 'xhprof' ) )
        {
            eZPerfLoggerDebug::writeWarning( 'Extension xhprof not loaded, can not start profiling', __METHOD__ );
            return false;
        }
        xhprof_enable( $flags + XHPROF_FLAGS_CPU + XHPROF_FLAGS_MEMORY, $options );
        self::$profilingRunning = true;
        return true;
    }
static public function start ( $ flags = 0 , $ options = array ( ) ) { if ( ! extension_loaded ( 'xhprof' ) ) { eZPerfLoggerDebug :: writeWarning ( 'Extension xhprof not loaded, can not start profiling' , __METHOD__ ) ; return false ; } xhprof_enable ( $ flags + XHPROF_FLAGS_CPU + XHPROF_FLAGS_MEMORY , $ options ) ; self :: $ profilingRunning = true ; return true ; }
Starts XHPRof profiling

@return bool
Starts XHPRof profiling