遍历数组，根据mark值的不同，使数据显示在不同的模块中

//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){
                $jobList2 .= <<
                    {$post['name']}
                    {$post['desc']}
                
html;
        }
            foreach($jobArr[2] as $post){
                $jobList3 .= <<
                {$post['name']}
                {$post['desc']}
            
html;
            }
            foreach($jobArr[3] as $post){
                $jobList4 .= <<
                {$post['name']}
                {$post['desc']}
            
html;
            }
        }

 { $jobList2} 

 { $jobList3}

 { $jobList4}

回复内容：

//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){
                $jobList2 .= <<
                    {$post['name']}
                    {$post['desc']}
                
html;
        }
            foreach($jobArr[2] as $post){
                $jobList3 .= <<
                {$post['name']}
                {$post['desc']}
            
html;
            }
            foreach($jobArr[3] as $post){
                $jobList4 .= <<
                {$post['name']}
                {$post['desc']}
            
html;
            }
        }

 { $jobList2} 

 { $jobList3}

 { $jobList4}

是要这个效果吗？

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'].="
{$val['name']}{$val['salary']}
";   
    }
    $p.="
".$html[$val['mark']]['html']."
";
}
echo $p;