curl_multi_init and get multi page in php

[tazeha]

Hello

 

I write following code to get Multiple page of the this site: www.mobile.ir

This website have mobile price category .. this category have 42 navigation page.

I write following code with curl_multi_init and xpath to get data from Multiple page from category.

$ch1= curl_init ("http://www.mobile.ir/phones/prices.aspx");
$ch2 = curl_init ("http://www.mobile.ir/phones/prices.aspx?sort=date&dir=desc&brandid=0&terms=&duration=14&pagesize=50&price_from=-1&price_to=-1&provinceid=0&shopid=0&page=2");
curl_setopt($ch1, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch1,CURLOPT_USERAGENT,'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13');
curl_setopt($ch1, CURLOPT_HEADER, 0);
curl_setopt($ch1, CURLOPT_ENCODING, 'UTF-8');
curl_setopt($ch2, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch2,CURLOPT_USERAGENT,'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13');
curl_setopt($ch2, CURLOPT_HEADER, 0);
curl_setopt($ch2, CURLOPT_ENCODING, 'UTF-8');

$mh = curl_multi_init();

//add the two handles
curl_multi_add_handle($mh,$ch1);
curl_multi_add_handle($mh,$ch2);

$active = null;
//execute the handles
do {
$mrc = curl_multi_exec($mh, $active);
} while ($mrc == CURLM_CALL_MULTI_PERFORM);

while ($active && $mrc == CURLM_OK) {
if (curl_multi_select($mh) != -1) {
do {
$mrc = curl_multi_exec($mh, $active);
} while ($mrc == CURLM_CALL_MULTI_PERFORM);
}
}



$dom = new DOMDocument('1.0', 'utf-8');
libxml_use_internal_errors(true);
$dom->loadHTML($mrc);
libxml_clear_errors();
$xpath = new DOMXpath($dom);

$data = array();
$table_rows = $xpath->query('//table[@id=price_table]/tbody/tr'); // target the row (the browser rendered <tbody>, but actually it really doesnt have one)

if($table_rows->length <= 0) { // exit if not found
echo 'no table rows found';
exit;
}
$s = "st\xECna";
foreach($table_rows as $tr) { // foreach row
$row = $tr->childNodes;
if($row->item(0)->tagName != '<tr class="carHeader"> <td>نام کارخانه </td> <td>نام خودرو </td> <td>قیمت نمایندگی (ریال) </td> <td>قیمت بازار (ریال) </td> </tr>') { // avoid headers
$data[] = array(
'Name' => trim($row->item(2)->nodeValue),
'Price' => trim($row->item(4)->nodeValue),

);
}
}

echo '<pre>';
print_r($data); 

But don't display data ...

when I use curl_init() to get data from one page without problem working and displaying data (name and price) but when use curl_multi_init dont display I really need..

[jazzman1]

Take mine and use code tags when providing code the next time.

<?php

ini_set('display_startup_errors',1);

ini_set('display_errors',1);

error_reporting(-1);

// create both cURL resources
$ch1 = curl_init();
$ch2 = curl_init();

// set URL and other appropriate options
curl_setopt($ch1, CURLOPT_URL, "http://www.mobile.ir/phones/prices.aspx?sort=date&dir=desc&brandid=0&terms=&duration=14&pagesize=50&price_from=-1&price_to=-1&provinceid=0&shopid=0&page=2");
curl_setopt($ch1, CURLOPT_HEADER, 0);
curl_setopt($ch2, CURLOPT_URL, "http://www.php.net/");
curl_setopt($ch2, CURLOPT_HEADER, 0);

//create the multiple cURL handle
$mh = curl_multi_init();

//add the two handles
curl_multi_add_handle($mh,$ch1);
curl_multi_add_handle($mh,$ch2);

$active = null;
//execute the handles
do {
    $mrc = curl_multi_exec($mh, $active);
} while ($mrc == CURLM_CALL_MULTI_PERFORM);

while ($active && $mrc == CURLM_OK) {
    if (curl_multi_select($mh) != -1) {
        do {
            $mrc = curl_multi_exec($mh, $active);
        } while ($mrc == CURLM_CALL_MULTI_PERFORM);
    }
}

$dom = new DOMDocument('1.0', 'utf-8');
libxml_use_internal_errors(true);
$dom->loadHTML($mrc);
libxml_clear_errors();
$xpath = new DOMXpath($dom);

$data = array();
$table_rows = $xpath->query('//table[@id="price_table"]/tbody/tr'); // target the row (the browser rendered <tbody>, but actually it really doesnt have one)

if ($table_rows->length <= 0) { // exit if not found
    echo 'no table rows found';
    exit;
}
$s = "st\xECna";
foreach ($table_rows as $tr) { // foreach row
    $row = $tr->childNodes;
    if ($row->item(0)->tagName != '<tr class="carHeader"> <td>نام کارخانه </td> <td>نام خودرو </td> <td>قیمت نمایندگی (ریال) </td> <td>قیمت بازار (ریال) </td> </tr>') { // avoid headers
        $data[] = array(
            'Name' => trim($row->item(2)->nodeValue),
            'Price' => trim($row->item(4)->nodeValue),
        );
    }
}

echo '<pre>';

print_r($data);