array_shift() shifts the first value of the array off and returns it, shortening the array by one element and moving everything down. All numerical array keys will be modified to start counting from zero while literal keys won't be touched. If array is empty (or is not an array), NULL will be returned.
This function will reset() the array pointer after use.
<?php
$stack = array("orange", "banana", "apple", "raspberry");
$fruit = array_shift($stack);
print_r($stack);
?>This would result in $stack having 3 elements left:
<?php Array
(
[0] => banana
[1] => apple
[2] => raspberry
) ?>and orange will be assigned to $fruit.
See also array_unshift(), array_push(), and array_pop().
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