Son tasarımından veri çekmek için bir class yazdım;

/**
 * Class Tursab
 * @author Tayfun Erbilen
 */
class Tursab
{

	public $no;
	public $output;
	public $data;

	public function __construct($no)
	{
		$this->no = $no;
		$this->getSource();
	}

	public function getSource()
	{
		$this->curl('https://online.tursab.org.tr/publicpages/embedded/agencysearch/');

		preg_match_all('@PublicKeyToken%3d(.*?)%@', $this->output, $publicKeyToken);
		preg_match('@id="__VIEWSTATE" value="(.*?)"@', $this->output, $viewState);
		preg_match('@id="__VIEWSTATEGENERATOR" value="(.*?)"@', $this->output, $viewStateGenerator);
		preg_match('@id="__EVENTVALIDATION" value="(.*?)"@', $this->output, $eventValidation);

		$postData = [];
		$postData['ctl00$RadScriptManager'] = 'ctl00$ContentPlaceHolder1$UpdatePanel1|ctl00$ContentPlaceHolder1$SearchButton';
		$postData['RadScriptManager_TSM'] = ';;System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=' . $publicKeyToken[1][0] . ':en-US:22727c22-244c-4537-8243-3c42cc5b20e2:ea597d4b:b25378d2;AjaxControlToolkit, Version=18.1.1.0, Culture=neutral, PublicKeyToken=' . $publicKeyToken[1][1] . ':en-US:b13aac2d-1c5e-49ed-8aa2-800cbed84558:cd9be5ef:f2800037:2761bb61:10439726:98f9cc63:dffb332:dda46be5:78181a00:f4e67d46;';
		$postData['__EVENTTARGET'] = '';
		$postData['__EVENTARGUMENT'] = '';
		$postData['ctl00$ContentPlaceHolder1$TursabNo$AutoCompleteTextBox'] = '';
		$postData['ctl00$ContentPlaceHolder1$TursabNo$AutoCompleteTextBoxHF'] = '';
		$postData['ctl00$ContentPlaceHolder1$TursabNo$AutoCompleteTextBoxTF'] = '';
		$postData['ctl00$ContentPlaceHolder1$TursabNoText'] = $this->no;
		$postData['hiddenInputToUpdateATBuffer_CommonToolkitScripts'] = '1';
		$postData['__VIEWSTATE'] = $viewState[1];
		$postData['__VIEWSTATEGENERATOR'] = $viewStateGenerator[1];
		$postData['__EVENTVALIDATION'] = $eventValidation[1];
		$postData['__ASYNCPOST'] = true;
		$postData['ctl00$ContentPlaceHolder1$SearchButton'] = 'ARA';

		$this->curl('https://online.tursab.org.tr/publicpages/embedded/agencysearch/', $postData);
		preg_match_all('@<div class="litc"><span style="color:red;">Acenta Adı : </span>(.*?)</div>@', $this->output, $agentName);
		preg_match_all('@<div class="litc"><span style="color:red;">Telefon : </span>+(.*?)<br />@', $this->output, $agentPhone);
		preg_match_all('@<div class="litc"><span style="color:red;">Email : </span>+(.*?)</div>@', $this->output, $agentMail);
		preg_match_all('@<span class="red-label">Adres : </span>(.*?) <b>.*?</b> / <b>.*?</b>@', $this->output, $agentAddress);

		if (isset($agentName[1]) && isset($agentPhone[1]) && isset($agentAddress[1])) {

			$agents = [];
			foreach ($agentName[1] as $key => $val) {
				preg_match_all('@<b>(.*?)</b>@', $agentAddress[0][$key], $cityState);
				$agents[] = [
					'no' => $this->no,
					'name' => $val,
					'city' => $cityState[1][1],
					'state' => $cityState[1][0],
					'address' => $agentAddress[1][$key],
					'phone' => $agentPhone[1][$key],
					'mail' => $agentMail[1][$key]
				];
			}

			$this->data = $agents;
		}

	}

	public function curl($url, $post = false)
	{
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_REFERER, $url);
		curl_setopt($ch, CURLOPT_COOKIEFILE, 'cookie.txt');
		curl_setopt($ch, CURLOPT_COOKIEJAR, 'cookie.txt');
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
		if ($post) {
			curl_setopt($ch, CURLOPT_POST, 1);
			curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post));
		}
		$output = curl_exec($ch);
		curl_close($ch);
		$this->output = str_replace(["\n", "\r", "\t"], null, $output);
	}

	public function getData()
	{
		return $this->data;
	}

}

$tursab = new Tursab(7089);
print_r($tursab->getData());