2013-02-21 93 views
0

我有一个阵列,其是这样的:排序基于特定键的值的多维阵列中阵列

$array[] = array(
     "name" => "sample", 
     "image" => "sample.jpg", 
     "header" => "sampleDelights", 
     "intro_copy" => "" 
    ); 
    $array[] = array(
     "name" => "lwmag", 
     "image" => "lwmag.jpg", 
     "header" => "LW Mag", 
     "intro_copy" => "" 
    ); 

我想要根据来自键“报头”的字母顺序上这个数组进行排序与PHP。我尝试了usort并搜索了内置的函数,但找不到一个(或者看过去)。这可能与一个单一的PHP功能?

+0

http://php.net/usort,看看例子#2。 – 2013-02-21 22:46:22

+0

可能的重复[如何在PHP中对多维数组进行排序](http://stackoverflow.com/questions/96759/how-do-i-sort-a-multidimensional-array-in-php) – 2013-02-21 22:50:09

回答

0

看看“ksort”

它对于按键排列数组非常有用。

<?php 
$sample = array("d" => "maximum", "a" => "minimum", "c" => "mid") 
ksort($sample); 
foreach ($sample as $key => $val) { 
echo "$key = $val \n"; 
} 
?> 

,将显示

a = minimum 
c = mid 
d = maximum 

希望这就是你以后。

来源:PHP Manual

0

看看这个功能从php.net

function array_sort($array, $on, $order=SORT_ASC) 
{ 
    $new_array = array(); 
    $sortable_array = array(); 

    if (count($array) > 0) { 
     foreach ($array as $k => $v) { 
      if (is_array($v)) { 
       foreach ($v as $k2 => $v2) { 
        if ($k2 == $on) { 
         $sortable_array[$k] = $v2; 
        } 
       } 
      } else { 
       $sortable_array[$k] = $v; 
      } 
     } 

     switch ($order) { 
      case SORT_ASC: 
       asort($sortable_array); 
      break; 
      case SORT_DESC: 
       arsort($sortable_array); 
      break; 
     } 

     foreach ($sortable_array as $k => $v) { 
      $new_array[$k] = $array[$k]; 
     } 
    } 

    return $new_array; 
}