php截取字符串,该怎么解决

php截取字符串
/book/shopping/%E9%95%BF%E8%A3%99
php如何截取book/之后/%E9%95%BF%E8%A3%99之前的字符串

------解决方案--------------------

PHP code

$ar=preg_split('/[\/]/','/book/shopping/%E9%95%BF%E8%A3%99',-1,PREG_SPLIT_NO_EMPTY);
echo $ar[1];