PHP 8 reference · Array Functions

PHP array_fill() Function

Create an array filled with the same value, given a start index and a count.

PHP 8 Since 4.2

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Syntax

array_fill(int $start_index, int $count, mixed $value): array

Parameter	Description
`start_index`	The first key.
`count`	How many elements; must be 0 or more.
`value`	The value for every element.

The filled array.

Fill a listTry it yourself

<?php
print_r(array_fill(0, 3, "-"));

Output

Array
(
    [0] => -
    [1] => -
    [2] => -
)

A gridTry it yourself

<?php
$board = array_fill(0, 3, array_fill(0, 3, "."));
$board[1][1] = "X";
foreach ($board as $row) {
    echo implode(" ", $row), "\n";
}

Output

. . .
. X .
. . .

Version	Change
PHP 4.2	Added

array_fill_keys() · Create an array from a list of keys, giving every key the same value. Useful for defaults and counters.
range() · Create an array of numbers or letters from a start to an end value, with an optional step, such as range(1, 10, 2).
array_pad() · Pad an array to a given length with a value, adding at the end (positive length) or the start (negative).
str_repeat() · Repeat a string a given number of times and return the result. A count of 0 returns an empty string.
PHP Arrays · tutorial
PHP Array Functions · tutorial