影者东升 发表于 2021-8-21 15:29:17

PHP多维数组排序array详解

PHP数组Array按字段排序


/**
* Sort array by filed and type, common utility method.
* @param array $data
* @param string $sort_filed
* @param string $sort_type SORT_ASC or SORT_DESC
*/
public function sortByOneField($data, $filed, $type)
{
if (count($data) <= 0) {
    return $data;
}
foreach ($data as $key => $value) {
    $temp[$key] = $value[$filed];
}
array_multisort($temp, $type, $data);
return $data;
}
PHP数组Array按二维排序,先按第一个字段排序,再按第二个字段排序


/**
* Sort array by filed and type, common utility method.
* @param array $array
* @param string $filed1
* @param string $type1 SORT_ASC or SORT_DESC
* @param string $filed2
* @param string $type2 SORT_ASC or SORT_DESC
*/
public function sortByTwoFiled($data, $filed1, $type1, $filed2, $type2)
{
if (count($data) <= 0) {
    return $data;
}
foreach ($data as $key => $value) {
    $temp_array1[$key] = $value[$filed1];
    $temp_array2[$key] = $value[$filed2];
}
array_multisort($temp_array1, $type1, $temp_array2, $type2, $data);
return $users;
}
sortMultiArray()最多支持3维数组排序,当然可以扩充的,自定义方法重载实现对多维数字的排序,这里的多维是说数据的多个字段。
使用方法:
1. sortMultiArray($data, [‘score' => SORT_DESC])
2. sortMultiArray($data, [‘score' => SORT_DESC, ‘count' => SORT_ASC])
3. sortMultiArray($data, [‘score' => SORT_DESC, ‘count' => SORT_ASC, ‘name' => SORT_ASC])


/**
   * Sort multi array by filed and type.
   * @param data $array
   * @param condition $array
   */
public function sortMultiArray(&$data, $condition)
{
    if (count($data) <= 0 || empty($condition)) {
      return $data;
    }
    $dimension = count($condition);
    $fileds = array_keys($condition);
    $types = array_values($condition);
    switch ($dimension) {
      case 1:
      $data = $this->sort1Dimension($data, $fileds, $types);
      break;
      case 2:
      $data = $this->sort2Dimension($data, $fileds, $types, $fileds, $types);
      break;
      default:
      $data = $this->sort3Dimension($data, $fileds, $types, $fileds, $types, $fileds, $types);
      break;
    }
    return $data;
}

public function sort1Dimension(&$data, $filed, $type)
{
    if (count($data) <= 0) {
      return $data;
    }
    foreach ($data as $key => $value) {
      $temp[$key] = $value[$filed];
    }
    array_multisort($temp, $type, $data);
    return $data;
}

public function sort2Dimension(&$data, $filed1, $type1, $filed2, $type2)
{
    if (count($data) <= 0) {
      return $data;
    }
    foreach ($data as $key => $value) {
      $sort_filed1[$key] = $value[$filed1];
      $sort_filed2[$key] = $value[$filed2];
    }
    array_multisort($sort_filed1, $type1, $sort_filed2, $type2, $data);
    return $data;
}

public function sort3Dimension(&$data, $filed1, $type1, $filed2, $type2, $filed3, $type3)
{
    if (count($data) <= 0) {
      return $data;
    }
    foreach ($data as $key => $value) {
      $sort_filed1[$key] = $value[$filed1];
      $sort_filed2[$key] = $value[$filed2];
      $sort_filed3[$key] = $value[$filed3];
    }
    array_multisort($sort_filed1, $type1, $sort_filed2, $type2, $sort_filed3, $type3, $data);
    return $data;
}
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持CodeAE代码之家。
原文链接:http://blog.csdn.net/u010571844/article/details/51284317

文档来源:http://www.zzvips.com/article/177257.html
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