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function Getpic($body)
{
    $getpic = '';
    preg_match_all("/(src)=[\"|'| ]{0,}([^>]*\.(gif|jpg|bmp|png))/isU",$body,$img_array);
    $img_array = array_unique($img_array[2]);
    if(count($img_array)>0)
    {
        foreach($img_array as $key=>$value)
        {
            $picname = preg_replace("/[\"|'| ]{1,}/", '', $value);
            $getpic = $picname;
			break;
        }
    }
    else
    {    
     $getpic="/images/defaultpic.gif";
    }
    return $getpic;
}

function Getpic($body) { $getpic = ''; preg_match_all("/(src)=[\"|'| ]{0,}([^>]*\.(gif|jpg|bmp|png))/isU",$body,$img_array); $img_array = array_unique($img_array[2]); if(count($img_array)>0) { foreach($img_array as $key=>$value) { $picname = preg_replace("/[\"|'| ]{1,}/", '', $value); $getpic = $picname; break; } } else { $getpic="/images/defaultpic.gif"; } return $getpic; }

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{dede:list pagesize='10'  addfields='body'}
    <li><a href='[field:arcurl /]' target='_blank'>
      <span class="title">[field:title /]</span>
      [field:body function='Getpic(@me)'/]</a>
    </li>
{/dede:list}

{dede:list pagesize='10' addfields='body'} <li><a href='[field:arcurl /]' target='_blank'> <span class="title">[field:title /]</span> [field:body function='Getpic(@me)'/]</a> </li> {/dede:list}