复制代码 代码如下:

/*

* ————————————————-

* @file : 5.php

* @function : arr2str

* @copyright : 2002-2009 Xingmo Inc

* @author : Fanglor <fanglor#163.com>

* @date : 2010-06-25

* @update :

* ————————————————-

*/

<?php

$fruits = array (

"fruits" => array("a" => "orange", "b" => "banana", "c" => "apple"),

"numbers" => array(1, 2, 3, 4, 5, 6),

"holes" => array("first", 5 => "second", "third")

);

$arr1 = array(1, 2, 3, 4, 5, 6=>'fanglor');

function arr2str ($arr)

{

static $res_arr = array();

if (is_array ($arr))

{

foreach ($arr as $key => $val )

{

if (is_array($val))

{

arr2str ($val);

}

else

{

$res_arr[] = $val;

}

}

}

elseif (is_string ($arr))

{

$res_arr[] = $arr;

}

return implode(',',$res_arr);

}

$str = arr2str ($arr1);

print_r ($str);

?>