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Php 按字母顺序将多维数组排序为2列_Php_Arrays_Sorting_Yii - Fatal编程技术网

Php 按字母顺序将多维数组排序为2列

Php 按字母顺序将多维数组排序为2列,php,arrays,sorting,yii,Php,Arrays,Sorting,Yii,我有一个像这样的数组 Array ( [0] => Array ( [make] => Alfa Romeo [id] => 2 ) [1] => Array ( [make] => Aston Martin [id] => 3 ) [2] => Array ( [make] => Audi [id] => 4 ) [3] => Array ( [make] => BMW [id

我有一个像这样的数组

Array ( [0] => Array ( [make] => Alfa Romeo [id] => 2 ) 
        [1] => Array ( [make] => Aston Martin [id] => 3 ) 
        [2] => Array ( [make] => Audi [id] => 4 )
        [3] => Array ( [make] => BMW [id] => 8 ) 
        [4] => Array ( [make] => Caterham [id] => 9 )
      )
Alfa Romeo      BMW
Aston Martin    Caterham
Audi
我想把它垂直地分成两列

看起来是这样的

Array ( [0] => Array ( [make] => Alfa Romeo [id] => 2 ) 
        [1] => Array ( [make] => Aston Martin [id] => 3 ) 
        [2] => Array ( [make] => Audi [id] => 4 )
        [3] => Array ( [make] => BMW [id] => 8 ) 
        [4] => Array ( [make] => Caterham [id] => 9 )
      )
Alfa Romeo      BMW
Aston Martin    Caterham
Audi
现在,当Yii使用
checkBoxList()
函数生成一个复选框时,看起来是这样的

   Alfa Romeo   Aston Martin
   Audi         BMW
   Caterham
现在我要处理这个问题。但这只适用于一维数组

function array_chunk_vertical($data, $columns = 2) {
    $n = count($data) ;
    $per_column = floor($n / $columns) ;
    $rest = $n % $columns ;

    // The map
    $per_columns = array( ) ;
    for ( $i = 0 ; $i < $columns ; $i++ ) {
        $per_columns[$i] = $per_column + ($i < $rest ? 1 : 0) ;
    }

    $tabular = array( ) ;
    foreach ( $per_columns as $rows ) {
        for ( $i = 0 ; $i < $rows ; $i++ ) {
            $tabular[$i][ ] = array_shift($data) ;
        }
    }

    return $tabular ;
}
函数数组\u块\u垂直($data,$columns=2){
$n=计数($data);
$per_column=楼层($n/$columns);
$rest=$n%$列;
//地图
$per_columns=array();
对于($i=0;$i<$columns;$i++){
$per_columns[$i]=$per_column+($i<$rest?1:0);
}
$tabular=array();
foreach($每列为$行){
对于($i=0;$i<$rows;$i++){
$tabular[$i][]=数组移位($data);
}
}
返回$tabular;
}

在这种情况下,您应该将数据添加到新的一维数组中

 $a = array(0 => array( 'make' => 'Alfa Romeo', 'id' => 2 ), 
       1 => array( 'make' => 'Aston Martin', 'id' => 3 ), 
       2 => array( 'make' => 'Audi', 'id' => 4 ),
       3 => array( 'make' => 'BMW', 'id' => 8 ), 
       4 => array( 'make' => 'Caterham', 'id' => 9 )
  );
  $b=array();
  foreach ($a as $v)
  {
  $b[]=$v['make'];    
  }
  sort($b);
  print_r($b);

然后,您可以使用工作函数将新数组作为参数传递。

尝试此操作,添加要在两列中显示的som条件

<?php $sort=Array ( 
    0 => Array ( 'make' => 'Alfa Romeo' ,'id' => 2 ), 
    1 => Array ( 'make' => 'Aston Martin' ,'id' => 3 ) ,
    2 => Array ( 'make' => 'Audi' ,'id' => 4 ),
    3 => Array ( 'make' => 'Caterham' ,'id' => 8 ), 
    4 => Array ( 'make' => 'BMW' , 'id' => 9 )
  );
  print_r($sort);
  sort($sort); echo ' <br/>';
  print_r($sort);
  ?>

现有函数中没有任何东西可以阻止它在n维数组中使用。实际上,您在这里显示的函数,使用提供的输入

<?php

function array_chunk_vertical($data, $columns = 2) {
    $n = count($data) ;
    $per_column = floor($n / $columns) ;
    $rest = $n % $columns ;

    // The map
    $per_columns = array( ) ;
    for ( $i = 0 ; $i < $columns ; $i++ ) {
        $per_columns[$i] = $per_column + ($i < $rest ? 1 : 0) ;
    }

    $tabular = array( ) ;
    foreach ( $per_columns as $rows ) {
        for ( $i = 0 ; $i < $rows ; $i++ ) {
            $tabular[$i][ ] = array_shift($data) ;
        }
    }

    return $tabular ;
}


$cars = [
    [ 'make' => 'Alfa Romeo', 'id' => 2 ],
    [ 'make' => 'Aston Martin', 'id' => 3 ],
    [ 'make' => 'Audi', 'id' => 4 ],
    [ 'make' => 'BMW', 'id' => 8 ],
    [ 'make' => 'Caterham', 'id' => 9 ],
];

echo '<table>';
foreach(array_chunk_vertical($cars) as $row) {
    echo '<tr>';
    foreach($row as $car) {
      echo '<td><input type="checkbox" value="', $car['id'], '" />', $car['make'], '</td>';
    }
    echo '</tr>';

}
echo '</table>';


您可以删除打印,因为我使用打印只是为了在打印前后显示结果。谢谢,睡眠不足。我没有注意到我的
foreach(array\u chunk\u vertical($cars)as$row){}
做错了。我以为这是我的
数组\u块\u垂直
函数。谢谢