The array_shift() function in PHP removes the first element from an array, and returns the value of the removed element.
Syntax
array_shift(arr)
Parameters
arr − The specified array
Return
The array_shift() function returns the shifted value. It returns NULL if the array is empty
Example
The following is an example −
<?php
$products = array("Electronics", "Accessories", "Shoes", "Toys", "Groceries");
$res = array_shift($products);
print_r($products);
?>Output.
The first value “Electronics” gets assigned to “$res” −
Array ( [0] => Accessories [1] => Shoe [2] => Toys [3] => Groceries )