/* * ————————————————- * @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); ?>