How many types of arrays are available in PHP?

There are three types of arrays in PHP.

Type	Keys	Example
Indexed array	Numbers, from 0	["Apple", "Banana"]
Associative array	Names that you choose	["name" => "Robin", "age" => 25]
Multidimensional array	An array inside an array	[[1, 2], [3, 4]]

<?php
$indexed = ["Apple", "Banana"];
$assoc = ["name" => "Robin", "age" => 25];
$multi = [[1, 2], [3, 4]];

echo $indexed[1] . "<br>";
echo $assoc["name"] . "<br>";
echo $multi[1][0];
?>

Output:

Learn all of them with examples in PHP Arrays.

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