http_build_query($arr) 将数组转为url

$arr = array(‘name’=>‘闪志祥’,‘age’=>111,‘home’=>“凤台”);
$str = http_build_query($arr);
echo $str;
结果：
name=%E9%97%AA%E5%BF%97%E7%A5%A5&age=111&home=%E5%87%A4%E5%8F%B0