CurlLinkChecker

Complexity

Total Complexity

4

Size/Duplication

Total Lines	51
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

2 Methods

Rating	Name	Duplication	Size	Complexity
A	getCache()	0	8	1
B	checkLink()	0	27	3

<?php

/**
 * Check links using curl
 */
class CurlLinkChecker implements LinkChecker

PSR1 recommends that each class must be in a namespace of at least one level to avoid collisions.

{

    /**
     * Return cache
     *
     * @return Zend_Cache_Frontend
     */
    protected function getCache()
    {
        return SS_Cache::factory(
            __CLASS__,
            'Output',
            array('automatic_serialization' => true)
        );
    }

    /**
     * Determine the http status code for a given link
     *
     * @param string $href URL to check
     * @return int HTTP status code, or null if not checkable (not a link)
     */
    public function checkLink($href)
    {
        // Skip non-external links
        if (!preg_match('/^https?[^:]*:\/\//', $href)) {
            return null;
        }

        // Check if we have a cached result
        $cacheKey = md5($href);
        $result = $this->getCache()->load($cacheKey);
        if ($result !== false) {
            return $result;
        }

        // No cached result so just request
        $handle = curl_init($href);
        curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($handle, CURLOPT_CONNECTTIMEOUT, 5);
        curl_setopt($handle, CURLOPT_TIMEOUT, 10);
        curl_exec($handle);
        $httpCode = curl_getinfo($handle, CURLINFO_HTTP_CODE);
        curl_close($handle);

        // Cache result
        $this->getCache()->save($httpCode, $cacheKey);
        return $httpCode;
    }
}