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# array_shift

(PHP 4 >= 4.0.0)

array_shift -- Shift an element off the beginning of array

## Description

``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. If `array` is empty (or is not an array), `NULL` will be returned.

Example 1. array_shift() example
    $args = array ("-v", "-f");
    $opt = array_shift ($args);

This would result in `$args` having one element "-f" left, and `$opt` being "-v".

See also array_unshift(), array_push(), and array_pop().

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