The array_walk_recursive() function runs each array element in a user-made function. The array's keys and values are parameters in the function. The difference between this function and the array_walk() function is that with this function you can work with deeper arrays (an array inside an array). Returns True or False
|array||Required. Specifying an array|
|function||Required. The name of the user-made function|
|parameter||Optional. Specifies a parameter to the user-made function|
Tip: You can assign one parameter to the function, or as many as you like.
The output of the code above will be:
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