Array Keys and Array Values

Below is Simple Example which shows how the array keys or array values can be obtained from a array.


<?php

     $personinfo=array(array("name"=>"john","address"=>"pune","age"=>30),
          array("name"=>"Sathya","address"=>"Nashik","age"=>39),
          array("name"=>"madhav","address"=>"pune","age"=>22));

      $arr1=array_keys($personinfo);

      $arr2=array_values($personinfo);

       echo "OUTPUT AS ONLY KEYS FOR GIVEN ARRAY";
       echo "<br><br>";
       print_r($arr1);

      echo "<br><br>";   
      echo "OUTPUT AS ONLY VALUES FOR GIVEN ARRAY";
      echo "<br><br>";
      print_r($arr2);

?>