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<div class="codetitle"><a style="CURSOR: pointer" data="53718" class="copybut" id="copybut53718" onclick="doCopy('code53718')"> 代码如下:<div class="codebody" id="code53718">
/
————————————————-
@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")
);
$arr1 = array(1,6=>'fanglor');
function arr2str ($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);
?>
（编辑：李大同）
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