PHP foreach with Nested Array?

To loop through a nested array in PHP using a foreach loop, you can use nested foreach loops. The outer loop iterates through the top-level array, and the inner loop iterates through the sub-arrays. Here is an example:

Example of using nested foreach loops in PHP

This will output:

1
2
3
4
5
6
7
8
9

You can use nested foreach to loop over more than 2 level nested arrays as well.