How to use array_fill function in php

Usage of array_fill function in php: [array_fill(index,number,value)]. The array_fill function is used to fill the given key value into an array and return the filled array.

php The array_fill function is to fill the array with key values. Its syntax is array_fill(index,number,value). The parameter index is required and is the returned array. The first index; number is required and specifies the number of elements to be inserted; value is required and specifies the value used to fill the array.

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How to use the php array_fill function?

Function: Fill the array with key values.

Syntax:

array_fill(index,number,value)

Parameters:

index Required. The first index of the returned array.

number Required. Specifies the number of elements to insert.

value Required. Specifies the values ​​used to populate the array.

Description:

Fill the array with the given value. The returned array has number elements and the value is value. The returned array is numerically indexed, starting at the start position and increasing. If number is 0 or less than 0, an error occurs.

php array_fill() function usage example 1

<?php
$a=array_fill(2,3,"无忌");
print_r($a);
?>

Output:

Array ( [2] => 无忌 [3] => 无忌 [4] => 无忌 )

php array_fill() function usage example 2

<?php
$a=array_fill(1,2,"西门");
print_r($a);
?>

Output:

Array ( [1] => 西门 [2] => 西门 )

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