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array_unshift

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

Description

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

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().

Note: This function was added in PHP 4.0.

 

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