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请问一个数组整理方法

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Release: 2016-06-13 12:05:19
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请教一个数组整理方法

<br />$abc = array(<br />    a1=>array(a=>1,b=>1,c=1,d=2),<br />    a2=>array(a=>1,b=>2,c=2,d=2),<br />    a3=>array(a=>3,b=>2,c=3,d=2)<br />)<br />
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现在我需要将上面的二维数组合并为一维数组。
一维数组需要包含a=1 and b=1 这个数组的所有信息 和 a=3 这个数组的所有信息,我想请问一下,这种整理,使用一个foreach 可以整理出来么。
------解决方案--------------------
$abc = array(<br />  'a1' => array('a' => 1, 'b' => 1, 'c' => 1, 'd' => 2),<br />  'a2' => array('a' => 1, 'b' => 2, 'c' => 2, 'd' => 2),<br />  'a3' => array('a' => 3, 'b' => 2, 'c' => 3, 'd' => 2),<br />);<br /><br />$filter = array(<br />  array( 'a' => 1, 'b' => 1),<br />  array( 'a' => 3),<br />);<br /><br />$res = array();<br />foreach($abc as $item) {<br />  foreach($filter as $f) {<br />    if(array_intersect_assoc($f, $item) == $f)<br />      $res = array_merge($res, array_values($item));<br />  }<br />}<br />print_r($res);<br /><br />
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Array<br />(<br />    [0] => 1<br />    [1] => 1<br />    [2] => 1<br />    [3] => 2<br />    [4] => 3<br />    [5] => 2<br />    [6] => 3<br />    [7] => 2<br />)<br /><br />
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------解决方案--------------------
$abc = array(<br />    'a1'=>array('a'=>'1','b'=>'1','c'=>'1','d'=>'2'),<br />    'a2'=>array('a'=>'1','b'=>'2','c'=>'2','d'=>'2'),<br />    'a3'=>array('a'=>'3','b'=>'2','c'=>'3','d'=>'2')<br />);<br />$data1 = $data2 = array();<br />foreach ($abc as $key => $value) {<br />        $v1 = isset($value['a']) ? $value['a'] : 0;<br />        $v2 = isset($value['b']) ? $value['b'] : 0;<br />        if ($v1 == 1 && $v2 == 2) {<br />                $data1[] = $value;<br />        }<br />        if ($v1 == 3) {<br />                $data2[] = $value;<br />        }   ??<br />}           <br />print_r($data1);<br />            <br />print_r($data2);
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------解决方案--------------------

<br /><?php<br />$abc = array(<br />    'a1'=>array('a'=>1,'b'=>1,'c'=>1,'d'=>2),<br />    'a2'=>array('a'=>1,'b'=>2,'c'=>2,'d'=>2),<br />    'a3'=>array('a'=>3,'b'=>2,'c'=>3,'d'=>2)<br />);<br /><br />$n = array();<br /><br />foreach($abc as $key=>$val){<br />    if($val['a']==1 && $val['b']==1 <br><font color='#FF8000'>------解决方案--------------------</font><br> $val['a']==3){<br />        $n = array_merge($n,array_values($val));<br />    }<br />}<br /><br />print_r($n);<br />?><br />
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Array
(
[0] => 1
[1] => 1
[2] => 1
[3] => 2
[4] => 3
[5] => 2
[6] => 3
[7] => 2
)
------解决方案--------------------
<br />$abc = array(<br />  'a1' => array('a' => 1, 'b' => 1, 'c' => 1, 'd' => 2),<br />  'a2' => array('a' => 1, 'b' => 2, 'c' => 2, 'd' => 2),<br />  'a3' => array('a' => 3, 'b' => 2, 'c' => 3, 'd' => 2),<br />);<br />$new_arr1=array();<br />$new_arr2=array();<br />$item1=array('a'=>1,'b'=>1);<br />$item2=array('a'=>3);<br />foreach($abc as $k=>$v){<br />    $a=array_intersect_assoc($item1,$v);<br />    $b=array_intersect_assoc($item2,$v);<br />    if($a==$item1) $new_arr1=$v;<br />    if($b==$item2) $new_arr2=$v;<br />}<br />print_r(array_merge(array_values($new_arr1),array_values($new_arr2)));<br />
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