Stock/Model/StockUnitStates.php
static public function isBetterAvailability($stateA, $stateB)
    {
        if ($stateA === $stateB) {
            return false;
        }

        switch ($stateA) {
            // 'pending' is better than 'new' or 'closed'
            case static::STATE_PENDING:
                return in_array($stateB, [static::STATE_NEW, static::STATE_CLOSED], true);
            // 'ready' is better than 'new', 'pending' or 'closed'
            case static::STATE_READY:
                return in_array($stateB, [static::STATE_NEW, static::STATE_PENDING, static::STATE_CLOSED], true);
        }

        return false;
    }
static public function isBetterAvailability($stateA, $stateB)
    {
        if ($stateA === $stateB) {
            return false;
        }

        switch ($stateA) {
            // 'pending' is better than 'new' or 'closed'
            case static::STATE_PENDING:
                return in_array($stateB, [static::STATE_NEW, static::STATE_CLOSED], true);
            // 'ready' is better than 'new', 'pending' or 'closed'
            case static::STATE_READY:
                return in_array($stateB, [static::STATE_NEW, static::STATE_PENDING, static::STATE_CLOSED], true);
        }

        return false;
    }
static public function isBetterAvailability ( $ stateA , $ stateB ) { if ( $ stateA === $ stateB ) { return false ; } switch ( $ stateA ) { // 'pending' is better than 'new' or 'closed' case static :: STATE_PENDING : return in_array ( $ stateB , [ static :: STATE_NEW , static :: STATE_CLOSED ] , true ) ; // 'ready' is better than 'new', 'pending' or 'closed' case static :: STATE_READY : return in_array ( $ stateB , [ static :: STATE_NEW , static :: STATE_PENDING , static :: STATE_CLOSED ] , true ) ; } return false ; }
Returns whether the state A has a better availability than the state B.

@param string $stateA
@param string $stateB

@return bool
Returns whether the state A has a better availability than the state B .