php - 遍历数组，根据mark值的不同，使数据显示在不同的模块中-PHP中文网问答

//有这样一个数组$jobArr
$jobArr=array(
  1 => 
    array(
      0 => 
        array(
          'name' =>  '产品经理1',
          'desc' =>  '广州' ,
          'mark' =>  'group:1' ),
      1 => 
        array 
         ( 'name' =>  '产品经理1', 
          'desc' =>  '广州' ,
          'mark' =>  'group:1'),
      2 => 
        array 
         ( 'name' =>  '产品经理1',
          'desc' =>  '广州' ,
          'mark' =>  'group:1') ),
  2 => 
    array (
      0 => 
        array (
          'name' =>  '产品经理2' ,
          'desc' =>  '广州' ,
          'mark' =>  'group:2'),
      1 => 
        array (
          'name' =>  '产品经理2' ,
          'desc' =>  '广州' ,
          'mark' =>  'group:2')),
  3 => 
    array (
      0 => 
        array (
          'name' =>  '产品经理3' ,
          'desc' =>  '广州' ,
          'mark' =>  'group:3' ),
      1 => 
        array (
          'name' =>  '产品经理3' ,
          'desc' =>  '广州' ,
          'mark' =>  'group:3')));

//在这里我遍历了三次，然后放在这三个p中，很麻烦，怎么遍历一次就可以将数据分类放在这几个p中呢？
         if($jobArr[$index]){
            foreach($jobArr[1] as $post){
                $jobList2 .= <<<html
                <li>
                    <a class="post post2">{$post['name']}</a>
                    <span class="salary">{$post['desc']}</span>
                </li>
html;
        }
            foreach($jobArr[2] as $post){
                $jobList3 .= <<<html
            <li>
                <a class="post post2">{$post['name']}</a>
                <span class="salary">{$post['desc']}</span>
            </li>
html;
            }
            foreach($jobArr[3] as $post){
                $jobList4 .= <<<html
            <li>
                <a class="post post2">{$post['name']}</a>
                <span class="salary">{$post['desc']}</span>
            </li>
html;
            }
        }

 <p1>{ $jobList2} </p>
 <p2>{ $jobList3}</p>
 <p3>{ $jobList4}</p>

php$jobArr=array( 1 => array( 0 => array( 'name' => '产品经理1', 'desc' => '广州' , 'mark' => 'group:1' ), 1 => array ( 'name' => '产品经理1', 'desc' => '广州' , 'mark' => 'group:1'), 2 => array ( 'name' => '产品经理1', 'desc' => '广州' , 'mark' => 'group:1') ), 2 => array ( 0 => array ( 'name' => '产品经理2' , 'desc' => '广州' , 'mark' => 'group:2'), 1 => array ( 'name' => '产品经理2' , 'desc' => '广州' , 'mark' => 'group:2')), 3 => array ( 0 => array ( 'name' => '产品经理3' , 'desc' => '广州' , 'mark' => 'group:3' ), 1 => array ( 'name' => '产品经理3' , 'desc' => '广州' , 'mark' => 'group:3'))); foreach($jobArr as $k=>$v){ $html=array(); foreach($v as $key=>$val){ $html[$val['mark']]['html'].="<li><a class='post post2'>{$val['name']}</a><span class='salary'>{$val['salary']}</span></li>"; } $p.="<p>".$html[$val['mark']]['html']."</p>"; } echo $p;