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PHP array_unshift() Function

PHP array_unshift() Function


Hello folks! welcome back to a new section of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP Function array_unshift().

The array_unshift() function inserts one or more elements to the beginning of an array. Note that the list of elements is prepended as a whole, so that the prepended elements stay in the same order. All the numeric array keys will be modified to start counting from zero while literal keys will not be changed.

Syntax

Following below is the syntax to use this function -

array_unshift($array,$value1,$value2,$value3...)


Parameter Details

Sr.NoParameter & Description
1

array(Required)

It specifies an array.

2

value1(Required)

It specifies a value to insert

3

value2(Optional)

It specifies a value to insert

4

value3(Optional)

It specifies a value to insert


Return Value

This PHP function returns the new number of elements in the array.

Example

Try out the below example -

<?php
   $input = array("orange", "banana");
   array_unshift($input, "apple", "pie");
   
   print_r($input);
?> 

Output

When the above code is executed, it will produce the following result -

Array ( [0] => apple [1] => pie [2] => orange [3] => banana )


Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the PHP array_values() Function.

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