PHP Array array_pad() Function (With Examples)

In this tutorial, we will learn about the PHP array_pad() function with its usage, syntax, parameters, return value, and examples. By IncludeHelp Last updated : December 31, 2023

PHP array_pad() function

The array_pad() function is used to pad an array to given size with a specified value and returns a new array with a specified value.

Syntax

The syntax of the array_pad() function:

array_pad(array, size, value);

Parameters

The parameters of the array_pad() function:

  • array is an array in which we have to add the elements.
  • size is the length/size of the array.
  • value is the value to be added to pad an array.

Return Value

The return type of this method is array, it returns a copy of the array padded to size specified by length with value value. [Source]

Sample Input/Output

Input:
$arr = array(10, 20, 30);

Function call:
array_pad($arr, 5, 100);

Output:
Array
(    
    [0] => 10   
    [1] => 20   
    [2] => 30   
    [3] => 100  
    [4] => 100  
)

PHP array_pad() Function Example

<?php
$arr = array(10, 20, 30);
//padding to 5 elements with value 100
$result = array_pad($arr, 5, 100);
//printing
print_r ($result);

$arr = array("Hello", "Guys");
//padding to 5 elements with value "Bye!"
$result = array_pad($arr, 5, "Bye!");
//printing
print_r ($result);    
?>

Output

The output of the above example is:

Array
(    
    [0] => 10   
    [1] => 20   
    [2] => 30   
    [3] => 100  
    [4] => 100  
)    
Array
(    
    [0] => Hello
    [1] => Guys 
    [2] => Bye! 
    [3] => Bye! 
    [4] => Bye! 
)

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