php 遍历多维数组方法

$sports = array( 
    'football' => 'good', 
    'swimming' => 'very well', 
    'running'  => 'not good' 
    ); 
     
foreach ($sports as $key => $value) { 
    echo $key.": ".$value."
"; 
} 
?>

 function arr_fun($arr){
       if(is_array($arr)){
         foreach($arr as $v){
            if(is_array($v)){
            arr_fun($v);
            }else{
            echo $v."
";
            }
         }
       }else{
         echo $arr."
";
       }
   }

/*
*  -------------------------------------------------
*   Url    : www.111com.net
*   Date   : 2011-03-09
*  -------------------------------------------------
*/
function arr_foreach ($arr)
{
 if (!is_array ($arr))
 {
  return false;
 }
 
 foreach ($arr as $key => $val )
 {
  if (is_array ($val))
  {
   arr_foreach ($val);
  }
  else
  {
   echo $val.'
';
  }
 }
}
$arr1 = array (1=>array(11,12,13,14=>array(141,142)),2,3,4,5);
echo '

';

print_r($arr1);

echo '
';

arr_foreach ($arr1);

?>

输出结果
Array

(

    [1] => Array

        (

            [0] => 11

            [1] => 12

            [2] => 13

            [14] => Array

                (

                    [0] => 141

                    [1] => 142

                )

        )

    [2] => 2

    [3] => 3

    [4] => 4

    [5] => 5

)

11

12

13

141

142

2

3

4

5

$sports = array(
    'football' => 'good',
    'swimming' => 'www.111com.net',
    'running'  => 'not good'
);

while (list($key, $value) = each($sports)) {
    echo $key.": ".$value."
";
}
?>