PHP Tutorial 73 How to insert new an array to the start or the end of an array in PHP Programming
This video demonstrate How to insert new an array to the start or the end of a new array by using functions array_unshift() and array_push().
By the way, with both function array_unshift() and array_push(), if you include an array as one of the values to add, the array is added to the original array as an element, turning the original array into a multidimensional array: