What is array_unshift in PHP?

The PHP’s array_unshift function is used to add elements to the beginning or staring of an array. As with PHP array_push, pass the array first, followed by any number of elements you would like to add to the array. Arrays with numeric indexes have those indexes re-numbered starting from 0 (zero).

What is array_push in PHP?

As you can see the array_push in PHP adds to array the passed elements. However, It is important to remember that the function returns the length and not the appended array. This is important because assigning the function to a variable and printing it would not return your desired output. The below code explains the same.

How to add multiple elements to an array in PHP?

The array_push is another inbuilt function that can be used in PHP to add to arrays. This method can be used to add multiple elements to an array at once. array - Required, this parameter specifies the array you are looking to append The array_push returns the number of elements in the array.

How to create an array in PHP?

To create an array in PHP, we use the array function array ( ). By default, an array of any variable starts with the 0 index. So whenever you want to call the first value of an array you start with 0 then the next is 1 ...and so on. There are different types of arrays in PHP. They are: Let's look at how each one works in more detail.