PHP Manual: Fill an array with values

Description

array array_fill ( int $start_index , int $num , mixed $value )

Fills an array with num entries of the value of the value parameter, keys starting at the start_index parameter.

Parameters

start_index

The first index of the returned array.

If start_index is negative, the first index of the returned array will be start_index and the following indices will start from zero (see example).

num

Number of elements to insert. Must be greater than or equal to zero.

value

Value to use for filling

Return Values

Returns the filled array

Errors/Exceptions

Throws a E_WARNING if num is less than zero.

Changelog

Version	Description
5.6.0	`num` may now be zero. Previously, `num` was required to be greater than zero.

Examples

Example #1 array_fill example


<?php
$a = array_fill(5, 6, 'banana');
$b = array_fill(-2, 4, 'pear');
print_r($a);
print_r($b);
?>

The above example will output:

Array
(
    [5]  => banana
    [6]  => banana
    [7]  => banana
    [8]  => banana
    [9]  => banana
    [10] => banana
)
Array
(
    [-2] => pear
    [0] => pear
    [1] => pear
    [2] => pear
)

Notes

See also the Arrays section of manual for a detailed explanation of negative keys.

array_fill