2012-02-26 97 views
1

这是我正在使用的一个数组的简短示例。foreach语句从数组中获取值

Array ([0] => Array ([Name] => somename [Attributes] => Array ([Body] => somebody 
[Region] => someregion [State] => somestate [Url] => someurl [Date] => somedate [Tz] => 
sometz [Title] => sometitle [City] => somecity)) [1] => Array ([Name] => somename1 
[Attributes] => Array ([Body] => somebody1 [Region] => someregion1 [State] => somestate1 
[Url] => someurl1 [Date] => somedate1 [Tz] => sometz1 [Title] => sometitle1 [City] => 
somecity1))) 

我只需要帮助foreach语句来获取每个数组的值。

基于日期对这些数组进行排序的任何示例都将被赞赏。

感谢

回答

3

它有助于看看PHP文档:

http://php.net/manual/en/control-structures.foreach.php

在这种情况下,你只想做:

foreach (your_array_name as $value) 
    //do something with $value 
+0

我该网页上之前,我问的问题,并尝试了一些例子。只是无法使其工作。 – TDave00 2012-02-26 06:15:05

+0

谢谢,我犯了一个愚蠢的错误。我将代码添加到一个文件中,然后检查我制作的副本。难怪我无法工作。 'foreach($ rest as $ value) \t { \t echo $ value ['Name']; \t etc.etc .. \t}' – TDave00 2012-02-26 06:25:14

2

一种解决方案是使用两个嵌套foreach()

foreach ($array as $value) { 
    foreach($value as $v){ 
    echo $v; 
    } 
} 

最后,为了排序数组,您可以使用usort()cmp()。 不要忘了为您的日期使用相同的格式(最好是ISO 8601),因此您可以轻松地对它们进行排序。

1

使用多种类的技术http://in.php.net/array_multisort

$array1 = array(0 => array('name' => somename1, 'Attributes' => array('Body' => somebody, 
       'Region' => someregion, 'State' => somestate, 'Url' => someurl, 'Date' => '26-02-2011', 'Tz' => 
       sometz, 'Title' => sometitle, 'City' => somecity)), 
     1 => array('name' => somename2, 'Attributes' => array('Body' => somebody, 
       'Region' => someregion, 'State' => somestate, 'Url' => someurl, 'Date' => '25-02-2011', 'Tz' => 
       sometz, 'Title' => sometitle, 'City' => somecity))); 

    foreach ($array1 as $index => $inner_arr) { 
     $attr = $inner_arr['Attributes']; 
     foreach ($attr as $key => $value) { 
      $date_arr[$index] = strtotime($attr['Date']); 
     } 
    } 
//for multisort give date array as the array accoring to which the data to be sorted. 
//We are dumping date into array and trying to sort data according tot he date array sorted. 

    array_multisort($date_arr,$array1); 

    //after sorting loop thru data 
    foreach ($array1 as $inner_arr) { 
     echo "name:". $inner_arr['name']; 
     foreach ($inner_arr['Attributes'] as $key => $value) { 
      echo "<br>$key: $value"; 

     } 
     echo '<hr>'; 
    }