How to Declare an Integer Array in PHP - Step by Step Examples

How to Declare an Integer Array in PHP ?

To declare an integer array in PHP, you can use the array() function or array shorthand syntax.

In this example,

We declare an integer array named $numbers with predefined values using the array() function.
We print the array to demonstrate the initialization.

<?php 
$numbers = array(1, 2, 3, 4, 5);
echo 'Integer Array: ';
print_r($numbers);
?>

Integer Array: Array
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
    [4] => 5
)

In this example,

We declare an empty integer array named $emptyArray using the array shorthand syntax.
We print the array to demonstrate the declaration.

<?php 
$emptyArray = [];
echo 'Empty Integer Array: ';
print_r($emptyArray);
?>

Empty Integer Array: Array
(
)

In this tutorial, we learned How to Declare an Integer Array in PHP language with well detailed examples.