对一个给定的二维数组按照指定的键值进行排序

Posted 2021-01-14 盘思动

public function set_s(){

    $arr = [
        [‘one‘ => 6,‘two‘ => 19],
        [‘one‘ => 36,‘two‘ => 3],
        [‘one‘ => 26,‘two‘ => 3],
        [‘one‘ => 2,‘two‘ => 84],
        [‘one‘ => 5,‘two‘ => 35],
        [‘one‘ => 6,‘two‘ => 56],
        [‘one‘ => 7,‘two‘ => 7],
        [‘one‘ => 88,‘two‘ => 8],
        [‘one‘ => 23,‘two‘ => 22],
        [‘one‘ => 1,‘two‘ => 29],
    ];

    $arr1 = $this->array_sort($arr,‘one‘,‘asc‘);
    dump($arr1);

    echo ‘-------------------------------‘;

    $arr2 = $this->array_sort($arr,‘one‘,‘desc‘);
    dump($arr2);

}


//对一个给定的二维数组按照指定的键值进行排序
public function array_sort($arr,$keys,$type = ‘asc‘){
    $keysvalue = $new_array = array();
    foreach ($arr as $k=>$v){
        $keysvalue[$k] = $v[$keys];
    }
    if($type == ‘asc‘){
        asort($keysvalue);
    }else{
        arsort($keysvalue);
    }

    reset($keysvalue);
    foreach ($keysvalue as $k=>$v){
        $new_array[$k] = $arr[$k];
    }
    return $new_array;
}

array(10) {
  [9] => array(2) {
    ["one"] => int(1)
    ["two"] => int(29)
  }
  [3] => array(2) {
    ["one"] => int(2)
    ["two"] => int(84)
  }
  [4] => array(2) {
    ["one"] => int(5)
    ["two"] => int(35)
  }
  [0] => array(2) {
    ["one"] => int(6)
    ["two"] => int(19)
  }
  [5] => array(2) {
    ["one"] => int(6)
    ["two"] => int(56)
  }
  [6] => array(2) {
    ["one"] => int(7)
    ["two"] => int(7)
  }
  [8] => array(2) {
    ["one"] => int(23)
    ["two"] => int(22)
  }
  [2] => array(2) {
    ["one"] => int(26)
    ["two"] => int(3)
  }
  [1] => array(2) {
    ["one"] => int(36)
    ["two"] => int(3)
  }
  [7] => array(2) {
    ["one"] => int(88)
    ["two"] => int(8)
  }
}

-------------------------------

array(10) {
  [7] => array(2) {
    ["one"] => int(88)
    ["two"] => int(8)
  }
  [1] => array(2) {
    ["one"] => int(36)
    ["two"] => int(3)
  }
  [2] => array(2) {
    ["one"] => int(26)
    ["two"] => int(3)
  }
  [8] => array(2) {
    ["one"] => int(23)
    ["two"] => int(22)
  }
  [6] => array(2) {
    ["one"] => int(7)
    ["two"] => int(7)
  }
  [5] => array(2) {
    ["one"] => int(6)
    ["two"] => int(56)
  }
  [0] => array(2) {
    ["one"] => int(6)
    ["two"] => int(19)
  }
  [4] => array(2) {
    ["one"] => int(5)
    ["two"] => int(35)
  }
  [3] => array(2) {
    ["one"] => int(2)
    ["two"] => int(84)
  }
  [9] => array(2) {
    ["one"] => int(1)
    ["two"] => int(29)
  }
}