<?php
 	 $food="7:1,address:mandakini Pune,clusterid:1,email:s@gmail.com,mobile:950389,name:san,valid_order_id:FD1445853852";
	 $items = explode ( ",", $food );
	 for($i=0;$i < sizeof($items);$i++){
		$jsonval= $items[$i];
 
		$inneritems = explode ( ":", $jsonval );
		$item1=$inneritems[0];
		$item2=$inneritems[1];
 
		// echo '<br/>items '.$item1.":".$item2.'<br/>';
		if($item1 !="clusterid" && $item1!="name" && $item1!="email" && $item1!="mobile" && $item1!="address" && $item1!="valid_order_id"){
			echo 'items '.$item1.":".$item2.PHP_EOL;
			echo 'hello '.$item1.":".$item2;
		}
	}
// your code goes here

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