array_unshift

(PHP 4 >= 4.0.0)

array_unshift --  Prepend one or more elements to 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().