PHP array_fill() function

PHP array_fill() function

The array_fill() function in PHP fills an user-defined array with num entries of the value that of specified values parameter, where the keys start at the start_index parameter.

Syntax

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

Parameter

start_index(required)- This parameter represents the first index of the returned array.

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

num(required)- This parameter signifies the number of elements to insert. Must be greater than or equal to zero.

value(required)- It represents the value used for filling the array.

Return

This function returns the filled array.

Errors/Exception

This function throws an E_WARNING if the “num” parameter is less than zero.

Example 1

Output

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

Example 2

Output

Array
 (
  [-4] => PHP
  [0] => PHP
  [1] => PHP
  [2] => PHP
 ) 

Example 3

Output

PHP Warning:  array_fill(): Number of elements can't be negative in /workspace/Main.php on line 9

Example 4

Output

Array
 (
     [4] => Array
         (
             [0] => PHP
             [1] => Java
             [2] => C# 
         )
     [5] => Array
         (
             [0] => PHP
             [1] => Java
             [2] => C#
         )
     [6] => Array 
         (
             [0] => PHP
             [1] => Java
             [2] => C#
         )
     [7] => Array 
         (
             [0] => PHP
             [1] => Java
             [2] => C#
         )
 )