PHP多维数组排序array详解

2024-05-05 00:01:12

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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[0], $types[0]);        break;      case 2:        $data = $this->sort2Dimension($data, $fileds[0], $types[0], $fileds[1], $types[1]);        break;      default:        $data = $this->sort3Dimension($data, $fileds[0], $types[0], $fileds[1], $types[1], $fileds[2], $types[2]);        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;  }

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