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I got the integer value that how much money in that page. But i want to get product name, url and price. How can i got it? How can i fix the problem?

 if (isset($_POST['search'])) 
 $search = $_POST['search'];
 $search = preg_replace("#[^0-9a-z]#", "", $search);
 $url = "https://ryanscomputers.com/catalogsearch/result/?q='.$search";

 $curl = curl_init();
 curl_setopt($curl, CURLOPT_URL, $url);
 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
 $result = curl_exec($curl);

 preg_match_all('/<span class="price">(.*?)</span>/', $result, $matches);
 $info = array_values(array_unique($matches[0]));
 for ($i=0; $i < count($info); $i++)
 echo $info[$i];
 

 preg_match_all('!<h2 class="product-name"><a href="[^s]*?"!', $result, $matches);
 $infourl = array_values(array_unique($matches[0]));
 for ($i=0; $i < count ($infourl); $i++) 
 echo $infourl[$i];
 
 curl_close($curl);
 

you should read up on how to parse XML/HTML with PHP, because you are doing it very wrong. (do not parse html with regex)

that said, this can be parsed out rather easily with DOMDocument + DOMXPath, check

<?php
header("content-type: text/plain;charset=utf-8");
$ch = curl_init('https://ryanscomputers.com/catalogsearch/result/?q=cat');
curl_setopt_array($ch, array(
 CURLOPT_ENCODING => '',
 CURLOPT_RETURNTRANSFER => 1
));
$html = curl_exec($ch);
curl_close($ch);
$domd = @DOMDocument::loadHTML($html);
$xp = new DOMXPath($domd);
foreach ($xp->query("//div[contains(@class,'item-inner')]") as $item) 
 //var_dump($domd->saveHTML($item));
 $name = $xp->query(".//h2[contains(@class,'product-name')]", $item)->item(0)->textContent;
 $name = trim($name);
 $price = $xp->query(".//div[contains(@class,'price-box')]", $item)->item(0)->textContent;
 $price = trim(preg_replace('/s+/', ' ',$price));
 $url=$item->getElementsByTagName("a")->item(0)->getAttribute("href");
 print_r([
 'name' => $name,
 'price' => $price,
 'url' => $url,
 ]);

output:

Array
(
 [name] => Black Cat BC-01 Laptop Cooler
 [price] => Regular Price Tk 660 Special Price Tk 650
 [url] => https://ryanscomputers.com/black-cat-bc-01-laptop-cooler.html
)
Array
(
 [name] => Black Cat BC-02 Laptop Cooler
 [price] => Regular Price Tk 660 Special Price Tk 650
 [url] => https://ryanscomputers.com/black-cat-bc-02-laptop-cooler.html
)
Array
(
 [name] => Black Cat BC-06 Laptop Cooler
 [price] => Regular Price Tk 910 Special Price Tk 900
 [url] => https://ryanscomputers.com/black-cat-bc-06-laptop-cooler.html
)
Array
(
 [name] => Black Cat BC-07 Laptop Cooler
 [price] => Regular Price Tk 910 Special Price Tk 900
 [url] => https://ryanscomputers.com/black-cat-bc-07-laptop-cooler.html
)
Array
(
 [name] => Black Cat BC-05 Notebook Cooler
 [price] => Regular Price Tk 720 Special Price Tk 700
 [url] => https://ryanscomputers.com/black-cat-bc-05-notebook-cooler.html
)
Array
(
 [name] => Black Cat K-680 Mini USB Keyboard
 [price] => Regular Price Tk 420 Special Price Tk 400
 [url] => https://ryanscomputers.com/black-cat-k-680-mini-usb-keyboard.html
)
~~truncated