Zortje\SEO\Page\ImageRule::check()

Complexity

Conditions	5
Paths	6

Size

Total Lines	31
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	5

Importance

Changes

0

<?php
    public function check(Subject $subject): ResultCollection
    {
        $resultCollection = new ResultCollection();

        /**
         * Check
         */
        $contextDescription = $subject->getContextDescription();

        $imgTags = $subject->getDom()->getElementsByTagName('img');

        /**
         * @var \DOMElement $imgTag
         */
        $missingAltAttributes = 0;

        foreach ($imgTags as $imgTag) {
            $altAttribute = $imgTag->attributes->getNamedItem('alt');

            if (!$altAttribute || empty($altAttribute->nodeValue)) {
                $missingAltAttributes++;
            }
        }

        if ($missingAltAttributes > 0) {
            $resultCollection->add(new Result($contextDescription,
                "$missingAltAttributes img tag is missing alt attribute"));
        }

        return $resultCollection;
    }
}