New Array Handling Techniques

There have been a number of improvements in PHP 8 array- and string-handling techniques. Although there is insufficient space in this course to cover every single enhancement, we will examine the more significant improvements in this lesson.

Working with the array_splice() method

The array_splice() function is a cross between substr() and str_replace(): it lets us replace a subset of one array with another. Its use gets awkward, however, when all we need to do is replace the last part of the array with something different. A quick look at the syntax reveals where it starts to get inconvenient—the replacement parameter is preceded by the length parameter, as shown here: