Two ways to traverse multidimensional arrays in php

This article mainly introduces two methods of traversing multi-dimensional arrays in PHP. Interested friends can refer to it. I hope it will be helpful to everyone.

The code is as follows:

$a=array('fruits'=>array('a'=>'orange','b'=>'grape',c=>'apple'),
 'numbers'=>array(1,2,3,4,5,6),
 'holes'=>array('first',5=>'second','third')
 );
//第一种：
foreach($a as $list=>$things){
 if(is_array($things)){
 foreach($things as $newlist=>$counter){
 echo "key:".$newlist."<br/>"."value:".$counter."<br/>";
 }
}
}
//第二种:
function MulitarraytoSingle($array){
   $temp=array();
   if(is_array($array)){
     foreach ($array as $key=>$value )
     {
       if(is_array($value)){
         MulitarraytoSingle($value);
       }
       else{
         $temp[]=$value;
       }
     }
   }
}

Summary: The above is the entire content of this article, I hope it will be helpful to everyone's study.

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