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array_unshift

(PHP 4 >= 4.0b1)

array_unshift --  Push one or more elements onto the beginning of array

Description

int array_unshift (array array, mixed var [, mixed ...])

array_unshift() prepends passed elements to the front of the array. Note that the list of elements is prepended as a whole, so that the prepended elements stay in the same order.

Returns the new number of elements in the array.

Example 1. array_unshift() example


$queue = array ("p1", "p3");
array_unshift ($queue, "p4", "p5", "p6");

This would result in $queue having 5 elements: "p4", "p5", "p6", "p1", and "p3".

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

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