protected function getSmallestVariant(AttachmentInterface $attachment)
    {
        $smallestKey = null;
        $smallest    = null;

        foreach (array_get($attachment->getNormalizedConfig(), 'variants', []) as $variantKey => $variantSteps) {

            if ( ! $variantSteps) {
                continue;
            }

            foreach ($variantSteps as $stepKey => $step) {

                if ( ! in_array($stepKey, $this->resizeVariantStepKeys)) {
                    continue;
                }

                if ( ! preg_match('#(\d+)?x(\d+)?#', array_get($step, 'dimensions', ''), $matches)) {
                    continue;
                }

                $smallestForVariant = null;

                if ((int) $matches[1] > 0) {
                    $smallestForVariant = (int) $matches[1];
                }

                if ((int) $matches[2] > 0 && (int) $matches[2] < $smallestForVariant) {
                    $smallestForVariant = (int) $matches[2];
                }

                if (    null !== $smallestForVariant
                    &&  ($smallestForVariant < $smallest || null === $smallest)
                ) {
                    $smallestKey = $variantKey;
                    $smallest    = $smallestForVariant;
                }

                break;
            }
        }

        return $smallestKey;
    }
protected function getSmallestVariant(AttachmentInterface $attachment)
    {
        $smallestKey = null;
        $smallest    = null;

        foreach (array_get($attachment->getNormalizedConfig(), 'variants', []) as $variantKey => $variantSteps) {

            if ( ! $variantSteps) {
                continue;
            }

            foreach ($variantSteps as $stepKey => $step) {

                if ( ! in_array($stepKey, $this->resizeVariantStepKeys)) {
                    continue;
                }

                if ( ! preg_match('#(\d+)?x(\d+)?#', array_get($step, 'dimensions', ''), $matches)) {
                    continue;
                }

                $smallestForVariant = null;

                if ((int) $matches[1] > 0) {
                    $smallestForVariant = (int) $matches[1];
                }

                if ((int) $matches[2] > 0 && (int) $matches[2] < $smallestForVariant) {
                    $smallestForVariant = (int) $matches[2];
                }

                if (    null !== $smallestForVariant
                    &&  ($smallestForVariant < $smallest || null === $smallest)
                ) {
                    $smallestKey = $variantKey;
                    $smallest    = $smallestForVariant;
                }

                break;
            }
        }

        return $smallestKey;
    }
protected function getSmallestVariant ( AttachmentInterface $ attachment ) { $ smallestKey = null ; $ smallest = null ; foreach ( array_get ( $ attachment -> getNormalizedConfig ( ) , 'variants' , [ ] ) as $ variantKey => $ variantSteps ) { if ( ! $ variantSteps ) { continue ; } foreach ( $ variantSteps as $ stepKey => $ step ) { if ( ! in_array ( $ stepKey , $ this -> resizeVariantStepKeys ) ) { continue ; } if ( ! preg_match ( '#(\d+)?x(\d+)?#' , array_get ( $ step , 'dimensions' , '' ) , $ matches ) ) { continue ; } $ smallestForVariant = null ; if ( ( int ) $ matches [ 1 ] > 0 ) { $ smallestForVariant = ( int ) $ matches [ 1 ] ; } if ( ( int ) $ matches [ 2 ] > 0 && ( int ) $ matches [ 2 ] < $ smallestForVariant ) { $ smallestForVariant = ( int ) $ matches [ 2 ] ; } if ( null !== $ smallestForVariant && ( $ smallestForVariant < $ smallest || null === $ smallest ) ) { $ smallestKey = $ variantKey ; $ smallest = $ smallestForVariant ; } break ; } } return $ smallestKey ; }
Returns smallest available resize for the attachment.

@param AttachmentInterface $attachment
@return null|string
Returns smallest available resize for the attachment .