PHP Arrays: A Complete Guide to Using Arrays in PHP

An indexed array is an array where each element is assigned a numeric index. The index starts from 0 by default and increments by 1 for each subsequent element. Indexed arrays are typically used to store a simple list of items such as numbers, strings, or other data types.

Example

<!DOCTYPE html>

<html>

<body>

<?php

$fruits = array("Apple", "Banana", "Cherry");

var_dump($fruits);

</body>

</html>

Try it yourself

Access Indexed Arrays

To access an element in an indexed array, you use its index inside square brackets:

Example

<!DOCTYPE html>

<html>

<body>

<?php

$fruits = ["Apple", "Banana", "Cherry"];

echo $fruits[0]; // Outputs: Apple

echo $fruits[1]; // Outputs: Banana

</body>

</html>

Try it yourself

Change Value

You can change an element’s value by specifying its index:

Example

<!DOCTYPE html>

<html>

<body>

<?php

$fruits = ["Apple", "Banana", "Cherry"];

$fruits[1] = "Blueberry"; // Changes the element at index 1 to "Blueberry"

var_dump($fruits);

</body>

</html>

Try it yourself

Loop Through an Indexed Array

You can loop through an indexed array using a foreach loop:

Example

<!DOCTYPE html>

<html>

<body>

<?php

$fruits = ["Apple", "Banana", "Cherry"];

foreach ($fruits as $fruit) {

echo $fruit . "<br>";

}

</body>

</html>

Try it yourself

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