Question

How to use array_walk_recursive() function to applies user function recursively to every member of an array in PHP

Answer 1

function call_back_function($value, $key) {
      echo "The key is: $key and the value is: $value <br />";
   }
$arr1 = array('name' => "Cory", 'age' => 37, 'Profession' => "Actor");
$arr2 = array($arr1, 'city' => "New York");
   
array_walk_recursive($arr2, "call_back_function");


/*
run:

The key is: name and the value is: Cory
The key is: age and the value is: 37
The key is: Profession and the value is: Actor
The key is: city and the value is: New York 
   
*/

 

70+ SQL courses for beginners and professionals