accessing SOAP via PHP

have got website witch need to send request to another server and get back some data. I dont know anything about SOAP and else so I need an expert help here.

here is what second server gives to me. I dont know where to start and how to do it. so any help is appreciated. can you give me an example of php code witch works with this code.

SOAP 1.1

The following is a sample SOAP 1.1 request and response. The placeholders shown need to be replaced with actual values.

POST /Service1.asmx HTTP/1.1
Host: puanreport.retail.az
Content-Type: text/xml; charset=utf-8
Content-Length: length
SOAPAction: "http://ift.tt/1zyoKxB"

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://ift.tt/ra1lAU" xmlns:xsd="http://ift.tt/tphNwY" xmlns:soap="http://ift.tt/sVJIaE">
  <soap:Body>
    <_find xmlns="http://tempuri.org/">
      <par>string</par>
    </_find>
  </soap:Body>
</soap:Envelope>
HTTP/1.1 200 OK
Content-Type: text/xml; charset=utf-8
Content-Length: length

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://ift.tt/ra1lAU" xmlns:xsd="http://ift.tt/tphNwY" xmlns:soap="http://ift.tt/sVJIaE">
  <soap:Body>
    <_findResponse xmlns="http://tempuri.org/">
      <_findResult>
        <bon>
          <Cari_Kod>string</Cari_Kod>
          <Puan>string</Puan>
        </bon>
        <bon>
          <Cari_Kod>string</Cari_Kod>
          <Puan>string</Puan>
        </bon>
      </_findResult>
    </_findResponse>
  </soap:Body>
</soap:Envelope>