PHP array_fill( ) Function

Last Updated : 17 Mar 2025

The array_fill( ) function is used to fill an array with values. This function creates a user-defined array with a given pre-filled value. It was introduced in PHP 4.

Syntax

Parameter

Parameter	Description	Is compulsory
starting_index	The first index of the returned array. Allows non-negative index only.	compulsory
num_of_elements	Number of elements to insert.	compulsory
array_values	Values to be used for filling.	compulsory

Return Type

It returns the filled array.

EXAMPLE 1

<?php
$count = array_fill(10,6, 'javatpoint');
print_r($count);
?>

Output:

Array ( [10] => javatpoint [11] => javatpoint [12] => javatpoint [13] => javatpoint [14]
 => javatpoint [15] => javatpoint )

EXAMPLE 2

<?php
$input = array_fill(5, 6, 'Mango');
print_r($input);
?>

Output:

Array ( [5] => Mango [6] => Mango [7] => Mango [8] => Mango [9] => Mango [10] => Mango )

EXAMPLE 3

<?php
$fruit1 = array_fill(5, 5, 'Apple');
$fruit2 = array_fill(-2, 3, 'Banana');
print_r($fruit1);
print_r($fruit2);
?>

Output:

Array ( [5] => Apple [6] => Apple [7] => Apple [8] => Apple [9] => Apple ) Array ( [-2] => 
Banana [0] => Banana [1] => Banana )

EXAMPLE 4

<?php
$a = array(1,2,3);
$array = array_fill(0, 2, $a);
print_r($array);
?>

Output:

Array ( [0] => Array ( [0] => 1 [1] => 2 [2] => 3 ) [1] => Array ( [0] => 1 [1] => 2 [2] => 3 ) )

EXAMPLE 5

<?php
$array1 = array_fill(0, 5, false);
$array2= array_fill(0, 5, true);
print_r($array1);
print_r($array2);
?>

Output:

Array ( [0] => [1] => [2] => [3] => [4] => ) Array ( [0] => 1 [1] => 1 [2] => 1 [3] => 1 [4] => 1 )

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PHP array_fill( ) Function

Syntax

Parameter

Return Type

EXAMPLE 1

EXAMPLE 2

EXAMPLE 3

EXAMPLE 4

EXAMPLE 5

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PHP array_fill( ) Function

Syntax

Parameter

Return Type

EXAMPLE 1

EXAMPLE 2

EXAMPLE 3

EXAMPLE 4

EXAMPLE 5

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