php - foreach loop stopping on the first xml element -

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i have following xml data

 <items>     <request>     <isvalid>true</isvalid>     <itemlookuprequest>     <condition>all</condition>     <idtype>isbn</idtype>     <itemid>0071762345</itemid>     <responsegroup>alternateversions</responsegroup>     <searchindex>all</searchindex>     <variationpage>all</variationpage>     </itemlookuprequest>     </request>     <item>     <asin>0071762345</asin>     <alternateversions>     <alternateversion>     <asin>b0058o8v9u</asin>     <title>     likeable social media: how delight customers, create irresistible brand, , amazing on facebook (& other social networks) [paperback] dave kerpen dave kerpen     </title>     <binding>unknown binding</binding>     </alternateversion>     <alternateversion>     <asin>b00511onpg</asin>     <title>     likeable social media: how delight customers, create irresistible brand, , amazing on facebook (& other social networks)     </title>     <binding>kindle edition</binding>     </alternateversion>     <alternateversion>     <asin>0071813721</asin>     <title>     likeable social media: how delight customers, create irresistible brand, , amazing on facebook (& other social networks)     </title>     <binding>hardcover</binding>     </alternateversion>     </alternateversions>     </item>     <item>     <asin>b00511onpg</asin>     <alternateversions>     <alternateversion>     <asin>0071762345</asin>     <title>     likeable social media: how delight customers, create irresistible brand, , amazing on facebook (and other social networks)     </title>     <binding>paperback</binding>     </alternateversion>     <alternateversion>     <asin>b0058o8v9u</asin>     <title>     likeable social media: how delight customers, create irresistible brand, , amazing on facebook (& other social networks) [paperback] dave kerpen dave kerpen     </title>     <binding>unknown binding</binding>     </alternateversion>     <alternateversion>     <asin>0071813721</asin>     <title>     likeable social media: how delight customers, create irresistible brand, , amazing on facebook (& other social networks)     </title>     <binding>hardcover</binding>     </alternateversion>     </alternateversions>     </item>     </items>     </itemlookupresponse>

and using code search each binding element , stuff this

foreach($xml->items->item->alternateversions->alternateversion->binding $bookbinding) { //loop through xml data find correct asin kindle edition     foreach ($xml->items->item->alternateversions->alternateversion->asin $kindlestring)     {         var_dump ($bookbinding);         if (preg_match('/kindle edition/i',$bookbinding))         {             //do stuff         }     } }

but getting first iteration of $binding , $asin instead of 4 elements output var_dump "unknown binding" & b0058o8v9u

this might you

foreach($xml->items->item $item){     foreach($item->alternateversions->alternateversion $alt_version){         var_dump($alt_version->binding);         var_dump($alt_version->asin);         ...     } }

first iterate throught 'item' , 'alternateversion'.


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