How to delete a specific array item from PHP session -

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One session is attempting to remove an item from the shopping cart. I used no set () Like it did not work

link 

  & lt; Td width = "100" & gt; & Lt; A href = "? Id = & lt ;? php echo $ id ;; & gt; and action = delete" & gt; & Lt ;? Php ek $ ide ;? & Gt; & Lt; / A & gt; & Lt; / Td>   
  Unset   
  if (isset ($ _ GET ['action']) & amp; ($ _ GET [ Verb '] == "delete")) {$ new_id = $ _ GET [' id ']; Not set ($ _ session ['item'] [$ NEW_ID]);    
 
 
 Unset Sessions See this code result properly  array (1) {[" Id "] = & gt; Int (10)}   
  & lt ;? Php $ _SESSION ['item'] = array ("id" => 10, "new_id" => 6); Not set ($ _ session ['item'] ["NEW_ID"]); Var_dump ($ _ session ['item']); ? & Gt;

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