title: How to verify Apple IAP receipt using php?
body: <p>I am using php to write a server for iOS app. </p>
  
  <p>I want to check receipt by accessing Apple's appstore server. </p>
  
  <p>According to the apple's help document. I have to send a post request to apple's server.</p>
  
  <p><a href="http://developer.apple.com/library/ios/#documentation/NetworkingInternet/Conceptual/StoreKitGuide/VerifyingStoreReceipts/VerifyingStoreReceipts.html#//apple_ref/doc/uid/TP40008267-CH104-SW1" rel="nofollow">http://developer.apple.com/library/ios/#documentation/NetworkingInternet/Conceptual/StoreKitGuide/VerifyingStoreReceipts/VerifyingStoreReceipts.html#//apple_ref/doc/uid/TP40008267-CH104-SW1</a></p>
  
  <p>How can I do it by using php, many thanks!</p>
  
  <p>Can any one give me an example?</p>