<?php

 $taobao = 'taobao.com';

 $tmall = 'tmall.com';

 $guojitmall = 'tmall.hk';

 $juhuasuan = 'ju.taobao.com';

 /*

 取宝贝的id

 休闲e族

 */

 function quid($strurl) {

     $strurl = strtolower ( $strurl );

     if (strpos ( $strurl, 'id' ) !== false) {

         $arr = explode ( '?', $strurl );

         $arr = explode ( '&', $arr [1] );

         $NO = 0;

         foreach ( $arr as $k => $v ) {

             if (is_string ( $v )) {

                 //判断是否含有id

                 if (strpos ( $v, 'id' ) !== false) {

                     //处理含有item或者num项 返还id数

                     if (strpos ( $v, 'item' ) !== false || strpos ( $v, 'num' ) !== false) {

                         //echo $v,'<br/>';

                         $i = strrpos ( $v, '=' );

                         $str = substr ( $v, $i + 1 );

                         if (is_numeric ( $str )) {

                             return $NO = $str;

                         }

                     } else {

                         //echo $v,'<br/>';

                         $i = strrpos ( $v, '=' );

                         $str = substr ( $v, $i + 1 );

                         $x = strlen ( $str );

                         if (is_numeric ( $str )) {

                             if ($x ==11) {

                                 $NO = $str;

                             } else if ($NO == 0 || ($x > 9 && $x < 11)) {

                                 $NO = $str;

                             }

                         }

                     }

                 }

             }

         }

         return $NO;

     }

 }

 ?>