PHP array_shift(): Removing the First Element from an Array

Function: mixed array_shift(array &$array) Description: The array_shift() function removes the first element from the given array, returns that element, reduces the array length by one, and reindexes numeric keys starting from zero while preserving string keys.

Parameter:

array – The input array.

Return value: The removed value, or NULL if the array is empty or not an array.

Example:

<?php
$stack = array("orange","banana","apple","raspberry");
$fruit = array_shift($stack);
print_r($stack);
?>

After calling array_shift(), the array $stack becomes:

Array
(
    [0] => banana
    [1] => apple
    [2] => raspberry
)