Definition :
The array_walk_recursive() function apply a user-defined function recursively to every element of an array. This function is mainly used with deeper arrays (an array inside an array).
array_walk_recursive(array, myfunction, parameter...)
| Parameter | Description |
|---|---|
| array | Required. Specifying an array |
| myfunction | Required. The name of the user-defined function |
| parameter,... | Optional. Specifies a parameter to the user-defined function. You can assign one parameter to the function, or as many as you like. |
Example1 : we can see below example Run each array element in a user-defined function
Output :
The key a has the value web
The key b has the value designing
The key 1 has the value house
The key 2 has the value online