问个二位数组操作问题

Question

多维数组拼写起来确实费点时间，试着写了一个，不知道是不是楼主所要的结果
array (size=4)
  0 => 
    array (size=3)
      'id' => string '3' (length=1)
      'time' => string '555' (length=3)
      'neirong' => string 'delete' (length=6)
  1 => 
    array (size=3)
      'id' => string '2' (length=1)
      'time' => string '55' (length=2)
      'neirong' => string 'www' (length=3)
  2 => 
    array (size=3)
      'id' => string '4' (length=1)
      'time' => string '555' (length=3)
      'neirong' => string 'www' (length=3)
  3 => 
    array (size=3)
      'id' => string '5' (length=1)
      'time' => string '555' (length=3)
      'neirong' => string 'www' (length=3)

Answer 1

$aa=array(
0=>array("id"=>"1","time"=>"5","neirong"=>"www"),
1=>array("id"=>"2","time"=>"55","neirong"=>"www"),
2=>array("id"=>"4","time"=>"555","neirong"=>"www"),
3=>array("id"=>"5","time"=>"555","neirong"=>"www")
);
$bb=array(
0=>array("id"=>"1","time"=>"5"),
1=>array("id"=>"2","time"=>"50"),
2=>array("id"=>"3","time"=>"555")
);
$cc=array();
for($i=0;$i<sizeof($bb);$i++){
    $id=$bb[$i]['id'];
    if(!array_search($id,$aa[$i]))
    $cc[]=array('id'=>$id,"neirong"=>"delete");
}
for($i=0;$i<sizeof($aa);$i++){
    for($j=0;$j<sizeof($bb);$j++){
        if($aa[$i]['id']==$bb[$j]['id']){
            if($aa[$i]['time']==$bb[$j]['time']) array_splice($aa,$i,1);
            if($aa[$i]['time']>$bb[$j]['time']){
                $cc[]=$aa[$i];
                array_splice($aa,$i,1);
            }
        }
    }
}
$cc=array_merge($cc,$aa);
print_r($cc);Array
(
    [0] => Array
        (
            [id] => 3
            [neirong] => delete
        )    [1] => Array
        (
            [id] => 2
            [time] => 55
            [neirong] => www
        )    [2] => Array
        (
            [id] => 4
            [time] => 555
            [neirong] => www
        )    [3] => Array
        (
            [id] => 5
            [time] => 555
            [neirong] => www
        ))

Answer 2

$aa = array(
  array("id"=>"1","time"=>"5","neirong"=>"www"),
  array("id"=>"2","time"=>"55","neirong"=>"www"),
  array("id"=>"4","time"=>"555","neirong"=>"www"),
  array("id"=>"5","time"=>"555","neirong"=>"www"),
);$bb = array(
  array("id"=>"1","time"=>"5"),
  array("id"=>"2","time"=>"50"),
  array("id"=>"3","time"=>"555"),
);foreach($aa as $v) $r[$v['id']] = $v;
foreach($bb as $v) {
  $k = $v['id'];
  if(! isset($r[$k])) $r[$k] = $v;
  elseif($r[$k]['time'] < $v['time']) $r[$k] = $v;
  elseif($r[$k]['time'] == $v['time']) unset($r[$k]);
}
ksort($r);
print_r($r);Array
(
    [2] => Array
        (
            [id] => 2
            [time] => 55
            [neirong] => www
        )    [3] => Array
        (
            [id] => 3
            [time] => 555
        )    [4] => Array
        (
            [id] => 4
            [time] => 555
            [neirong] => www
        )    [5] => Array
        (
            [id] => 5
            [time] => 555
            [neirong] => www
        ))

Answer 3

 [3] => Array
        (
            [id] => 3
            [time] => 555
        )
不对哈 没delete [id] => 3
            [neirong] => delete

Answer 4

你原始的数据只有 $bb=array("id"=>"3","time"=>"555");
我不能凭空臆造出 "neirong"=>"delete"
但你可以，因为规则是你制定的
你自己加上就是了

Answer 5

<?php
$aa[0]=array("id"=>"1","time"=>"5","neirong"=>"www");
$aa[1]=array("id"=>"2","time"=>"55","neirong"=>"www");
$aa[2]=array("id"=>"4","time"=>"555","neirong"=>"www");
$aa[3]=array("id"=>"5","time"=>"555","neirong"=>"www");$bb[0]=array("id"=>"1","time"=>"5");
$bb[1]=array("id"=>"2","time"=>"50");
$bb[2]=array("id"=>"3","time"=>"555");$c = array();$d = array();$e = array();$j = array();
foreach($bb as $v){
  $e[] = $v['id'];
}
foreach($aa as $v){
  $d[] = $v['id'];
}
$s = array_diff_assoc($e, $d);
$f = array_diff_assoc($d, $e);
$g = array_merge($s,$f);foreach($aa as $k=>$v){
  foreach($bb as $k1=>$v1){
    if($v['id']==$v1['id'] && $v1['time']>$v['time']){
      $c[] = array('id'=>$v1['id'],'time'=>$v1['time'],'neirong'=>'delete');
    }elseif($v['id']==$v1['id'] && $v1['time']<$v['time']){
      $c[] = array('id'=>$v['id'],'time'=>$v['time'],'neirong'=>$v['neirong']);
    }    foreach($g as $v2){
      if($v['id'] == $v2 && !in_array($v['id'], $j)){
        $c[] = array('id'=>$v['id'],'time'=>$v['time'],'neirong'=>$v['neirong']);
        $j[] = $v['id'];
      }
      if($v1['id'] == $v2  && !in_array($v1['id'], $j)){
        $c[] = array('id'=>$v1['id'],'time'=>$v1['time'],'neirong'=>'delete');
        $j[] = $v1['id'];
      }
    }  }
}
var_dump($c);
?>

Answer 6

刚看版主的代码是最好的  直接遍历$aa跟$bb对比修改  <?php
$aa = array(
  array("id"=>"1","time"=>"5","neirong"=>"www"),
  array("id"=>"2","time"=>"55","neirong"=>"www"),
  array("id"=>"4","time"=>"555","neirong"=>"www"),
  array("id"=>"5","time"=>"555","neirong"=>"www"),
);
 
$bb = array(
  array("id"=>"1","time"=>"5"),
  array("id"=>"2","time"=>"50"),
  array("id"=>"3","time"=>"555"),
);
 
foreach($aa as $v) $r[$v['id']] = $v;
foreach($bb as $v) {
  $k = $v['id'];
  if(! isset($r[$k]))
  {
    $v['content']='delete';
    $r[$k] = $v;
  } 
  elseif($r[$k]['time'] < $v['time']) $r[$k] = $v;
  elseif($r[$k]['time'] == $v['time']) unset($r[$k]);
}
ksort($r);
print_r($r);
?>s