PHP array_pad() Function

Return 5 elements and insert a value of "blue" to the new elements in the array:

<?php
$a=array("red","green");
print_r(array_pad($a,5,"blue"));
?>

Definition and Usage

The array_pad() function inserts a specified number of elements, with a specified value, to an array.

Tip: If you assign a negative size parameter, the function will insert new elements BEFORE the original elements (See example below).

Note: This function will not delete any elements if the size parameter is less than the size of the original array.

array_pad(array, size, value)

Parameter	Description
array	Required. Specifies an array
size	Required. Specifies the number of elements in the array returned from the function
value	Required. Specifies the value of the new elements in the array returned from the function

Return Value:	Returns an array with new elements
PHP Version:	4+

Using a negative size parameter:

<?php
$a=array("red","green");
print_r(array_pad($a,-5,"blue"));
?>