PHP - Function array_unshift()

Syntax

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

This function returns an array containing all the values of array1 that are present in all the arguments array2, array3.

Sr.No	Parameter & 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

Try out following example −

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

This will produce the following result −

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

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