shweshi\OpenGraph\OpenGraph::fetch()

Complexity

Conditions	14
Paths	146

Size

Total Lines	45
Code Lines	25

Duplication

Lines	0
Ratio	0 %

Importance

Changes	15
Bugs	2	Features	0

<?php
    public function fetch($url, $allMeta = null, $lang = null, $options = LIBXML_NOWARNING | LIBXML_NOERROR, $userAgent = 'Curl')
    {
        $html = $this->curl_get_contents($url, $lang, $userAgent);
        /**
         * parsing starts here:.
         */
        $doc = new DOMDocument();

        $libxml_previous_state = libxml_use_internal_errors(true);
        $doc->loadHTML('<?xml encoding="utf-8" ?>'.$html, $options);
        //catch possible errors due to empty or malformed HTML
        if ($options > 0 && ($options & (LIBXML_NOWARNING | LIBXML_NOERROR)) == 0) {
            Log::warning(libxml_get_errors());

The type shweshi\OpenGraph\Log was not found. Maybe you did not declare it correctly or list all dependencies?

        }
        libxml_clear_errors();
        // restore previous state
        libxml_use_internal_errors($libxml_previous_state);

        $tags = $doc->getElementsByTagName('meta');
        $metadata = [];
        foreach ($tags as $tag) {
            $metaproperty = ($tag->hasAttribute('property')) ? $tag->getAttribute('property') : $tag->getAttribute('name');
            if (!$allMeta && $metaproperty && strpos($tag->getAttribute('property'), 'og:') === 0) {
                $key = strtr(substr($metaproperty, 3), '-', '_');
                $value = $this->get_meta_value($tag);
            }
            if ($allMeta && $metaproperty) {
                $key = (strpos($metaproperty, 'og:') === 0) ? strtr(substr($metaproperty, 3), '-', '_') : $metaproperty;
                $value = $this->get_meta_value($tag);
            }
            if (!empty($key)) {
                $metadata[$key] = $value;

The variable $value does not seem to be defined for all execution paths leading up to this point.

            }
            /*
             * Verify image url
             */
            if (isset($metadata['image'])) {
                $isValidImageUrl = $this->verify_image_url($metadata['image']);
                if (!$isValidImageUrl) {
                    $metadata['image'] = '';
                }
            }
        }

        return $metadata;
    }