PHP code example of xsuchy09 / rolling-curl

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

xsuchy09 / rolling-curl example snippets

$rollingCurl = new \RollingCurl\RollingCurl();
$rollingCurl
    ->get('http://yahoo.com')
    ->get('http://google.com')
    ->get('http://hotmail.com')
    ->get('http://msn.com')
    ->get('http://reddit.com')
    ->setCallback(function(\RollingCurl\Request $request, \RollingCurl\RollingCurl $rollingCurl) {
        // parsing html with regex is evil (http://bit.ly/3x9sQX), but this is just a demo
        if (preg_match("#<title>(.*)</title>#i", $request->getResponseText(), $out)) {
            $title = $out[1];
        }
        else {
            $title = '[No Title Tag Found]';
        }
        echo "Fetch complete for (" . $request->getUrl() . ") $title " . PHP_EOL;
    })
    ->setSimultaneousLimit(3)
    ->execute();

$rollingCurl = new \RollingCurl\RollingCurl();
for ($i = 0; $i <= 500; $i+=10) {
    // https://www.google.com/search?q=curl&start=10
    $rollingCurl->get('https://www.google.com/search?q=curl&start=' . $i);
}

$results = array();

$start = microtime(true);
echo "Fetching..." . PHP_EOL;
$rollingCurl
    ->setCallback(function(\RollingCurl\Request $request, \RollingCurl\RollingCurl $rollingCurl) use (&$results) {
        if (preg_match_all('#<h3 class="r"><a href="([^"]+)">(.*)</a></h3>#iU', $request->getResponseText(), $out)) {
            foreach ($out[1] as $idx => $url) {
                parse_str(parse_url($url, PHP_URL_QUERY), $params);
                $results[$params['q']] = strip_tags($out[2][$idx]);
            }
        }

        // Clear list of completed requests and prune pending request queue to avoid memory growth
        $rollingCurl->clearCompleted();
        $rollingCurl->prunePendingRequestQueue();

        echo "Fetch complete for (" . $request->getUrl() . ")" . PHP_EOL;
    })
    ->setSimultaneousLimit(10)
    ->execute();
;
echo "...done in " . (microtime(true) - $start) . PHP_EOL;

echo "All results: " . PHP_EOL;
print_r($results);

$rollingCurl = new \RollingCurl\RollingCurl();
$rollingCurl
    // setOptions will overwrite all the default options.
    // addOptions is probably a better choice
    ->setOptions(array(
        CURLOPT_HEADER => true,
        CURLOPT_NOBODY => true
    ))
    ->get('http://yahoo.com')
    ->get('http://google.com')
    ->get('http://hotmail.com')
    ->get('http://msn.com')
    ->get('http://reddit.com')
    ->setCallback(function(\RollingCurl\Request $request, \RollingCurl\RollingCurl $rollingCurl) {
        echo "Fetch complete for (" . $request->getUrl() . ")" . PHP_EOL;
    })
    ->setSimultaneousLimit(3)
    ->execute();

$rollingCurl = new \RollingCurl\RollingCurl();

$sites = array(
    'http://yahoo.com' => array(
        CURLOPT_TIMEOUT => 15
    ),
    'http://google.com' => array(
        CURLOPT_TIMEOUT => 5
    ),
    'http://hotmail.com' => array(
        CURLOPT_TIMEOUT => 10
    ),
    'http://msn.com' => array(
        CURLOPT_TIMEOUT => 10
    ),
    'http://reddit.com' => array(
        CURLOPT_TIMEOUT => 25
    ),
);

foreach ($sites as $url => $options) {
    $request = new \RollingCurl\Request($url);
    $rollingCurl->add(
        $request->addOptions($options)
    );
}

$rollingCurl->execute();