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array_shift
Shift an element off the beginning of array
(PHP 4, PHP 5)
mixed array_shift ( array &array )
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.
Note:
This function will reset() the array pointer after use.
Example 276. array_shift() example
<?php
$stack = array("orange", "banana", "apple", "raspberry");
$fruit = array_shift($stack);
print_r($stack);
?>
This would result in $stack having 3 elements left:
Array
(
[0] => banana
[1] => apple
[2] => raspberry
) ?>
and orange will be assigned to
$fruit.
See also array_unshift(), array_push(), and array_pop().