Which of the following are common uses of multidimensional arrays in PHP?

The correct option is 4. Multidimensional arrays in PHP have various common uses. They are commonly used for representing tabular data, such as spreadsheet-like structures, where rows and columns are organized into a multidimensional array. Multidimensional arrays are also useful for storing form input data, allowing easy access to different fields and values. Additionally, they are employed for managing hierarchical data relationships, such as representing nested categories or tree-like structures. The flexibility of multidimensional arrays allows for efficient data organization and manipulation in these scenarios. Learn more: https://www.php.net/manual/en/language.types.array.php#language.types.array.syntax